Zoro Homepage
Clipboard Icon Quick Order
Cart Icon 0 Cart
  1. Home
  2. /
  3. Tools & Machining
  4. /
  5. Hand Tools
  6. /
  7. Hand Tool Kits
  8. /
  9. General Hand Tool Kits
  10. /
  11. (JCS-1258MAS) Master Technician Maintenance Tool Set, 1258 Pieces
Proto (JCS-1258MAS) Master Technician Maintenance Tool Set, 1258 Pieces JCS-1258MAS - main

(JCS-1258MAS) Master Technician Maintenance Tool Set, 1258 Pieces

  • Mfr # JCS-1258MAS

  • Zoro # G0473719

product price: $23,869.99
/ea
Item requires special delivery charges. A $285.00 per item surcharge will be applied.

Key Features

Number of Pieces
1,258
Includes
(4) Blow Molded Box, Folding Knife Sheath, Kit Tool: 3 Pockets, 5 Pockets, (2) 7 Pockets, 8 Pockets, 9 Pockets, (2) Pockets, (2) 11 Pockets, 13 Pockets, 14 Pockets, 26 Pockets, (3) Tool Pouch
SAE or Metric
Metric, SAE
Number of Lights
2
Striking Tools Included
Ball Pein Hammer: 8 oz, 16 oz, 32 oz, Center Punch: 4-7/8 in, 5-5/8 in, Cold Chisel: 1 in, 1/2 in, 1/4 in, 1-3/16 in, 3/4 in, 3/8 in, 5/16 in, 5/8 in, 7/8 in, Dead Blow Hammer: 15 oz, 21 oz, 28 oz, 56 oz, Drift Punch: 1/4 in, 1/8 in, 3/16 in, Drive Pin Punch: 1/4 in x 6-3/4 in, Hammer Tip 1-1/2 in :, Extra Hard, Hard, Medium Hard, Medium, Soft, Super Soft, Tough, Hammer Tip 2-1/2 in : Extra Hard, Hard, Tough, Medium, Medium Hard, Chisel/Punch Holder, Nonsparking Sledge: 1-1/2 lb, Plastic Mallet, Prick Punch: 5 in, Punch Drive: 3/16 in, 3/32 in, 5/32 in, 7/32 in, Punch Drive Tip: 1/8 in, Soft Face Hammer: 13-1/2 in, 16-1/2 in, Starter Punch: 1/4 in x 6-1/2 in, 1/8 in x 5-1/8 in, 3/16 in x 5-5/8 in, 3/32 in x 5 in, 7/32 in x 6 in
See all product information
Get a 10% off coupon
Free 30-day returns
Return Policy
Get 30 days to pay with Net 30
Apply Now
Real support from real people
Contact our U.S. based team

Specifications

Product Information

MFR #
JCS-1258MAS
Zoro #
G0473719
UPC #
662679990886
Country of Origin
United States

Dimensions

Drive Size
1/4 in, 3/8 in, 1/2 in, 3/4 in
For Fastener Sizes
1/16 in to 2 3/8 in, 2 mm to 26 mm
Drive Size1
1/4 in; 3/8 in; 1/2 in; 3/4 in

Details

Item
Master Tool Set
Number of Pieces
1,258
Includes
(4) Blow Molded Box, Folding Knife Sheath, Kit Tool: 3 Pockets, 5 Pockets, (2) 7 Pockets, 8 Pockets, 9 Pockets, (2) Pockets, (2) 11 Pockets, 13 Pockets, 14 Pockets, 26 Pockets, (3) Tool Pouch
SAE or Metric
Metric, SAE
Number of Lights
2
Striking Tools Included
Ball Pein Hammer: 8 oz, 16 oz, 32 oz, Center Punch: 4-7/8 in, 5-5/8 in, Cold Chisel: 1 in, 1/2 in, 1/4 in, 1-3/16 in, 3/4 in, 3/8 in, 5/16 in, 5/8 in, 7/8 in, Dead Blow Hammer: 15 oz, 21 oz, 28 oz, 56 oz, Drift Punch: 1/4 in, 1/8 in, 3/16 in, Drive Pin Punch: 1/4 in x 6-3/4 in, Hammer Tip 1-1/2 in :, Extra Hard, Hard, Medium Hard, Medium, Soft, Super Soft, Tough, Hammer Tip 2-1/2 in : Extra Hard, Hard, Tough, Medium, Medium Hard, Chisel/Punch Holder, Nonsparking Sledge: 1-1/2 lb, Plastic Mallet, Prick Punch: 5 in, Punch Drive: 3/16 in, 3/32 in, 5/32 in, 7/32 in, Punch Drive Tip: 1/8 in, Soft Face Hammer: 13-1/2 in, 16-1/2 in, Starter Punch: 1/4 in x 6-1/2 in, 1/8 in x 5-1/8 in, 3/16 in x 5-5/8 in, 3/32 in x 5 in, 7/32 in x 6 in
Putty Knives and Scrapers Included
None
Primary Application
Technician
Nut Drivers and Nutsetters Included
Nut Driver Fractional: 1/2 in x 2-3/4 in, 1/4 in x 2-3/4 in, 1-1/3 in x 2-3/4 in, 3/16 in x 2-3/4 in, 3/8 in x 2-3/4 in, 5/16 in x 2-3/4 in, 5/8 in x 2-3/4 in, 7/16 in x 2-3/4 in, 7/32 in x 2-3/4 in, 9/16 in x 2-3/4 in, 9/32 in x 2-3/4 in, Nut Driver: 4mm x 4 in, 5mm x 4 in, 5.5mm x 4 in, 6mm x 4 in, 7mm x 4 in, 8mm x 4 in, 9mm x 4 in, 10mm x 4 in, 11mm x 4 in, 12mm x 4 in, 13mm x 4 in, 14mm x 4 in
Miscellaneous Tools Included
(1) Staple Gun, (2) C-Clamps, (76) Tap and Dies
Number of Striking Tools
50
Tool Kit Product Grouping
Tool Kits
Number of Deburring and Finishing Tools
1
Number of Wrenches
230
Number of Miscellaneous Tools
79
Tool Storage Included
No
Cutting Tools Included
None
Drilling, Extracting, and Tapping Tools
Bolt Extractor: 7mm (Turns 1/4, 9/32"), 8mm (Turns 5/16"), 9mm (Turns 11/32"), 3/8", 10mm, 11mm (Turns 7/16"), 12mm, 13mm (Turns 1/2"), 14mm (Turns 9/16"), 15mm (Turns 16mm, 5/8"), & Tool Holder, Screw Extractor: 13/16", 1/8", 11/32", 11/64", 15/32", 19/32", 19/64", 31/32", 7/32", 9/16"
Tool Storage Type Included
Box
Number of Inspection and Retrieving Tools
0
Deburring and Finishing Tools Included
Ignition Point File: 5-1/4 in
Number of Prybars and Pullers
67
Electrical and Telecomm Tools Included
Wire Stripper: 8-1/4 in
1/4 In. Drive Sockets/Accs. Included
Breaker Bar: 5-3/4 in, Flex Socket Extension: 6-1/4 in, Flex Socket Hex: 5mm, 5.5mm, 6mm, 7mm, 8mm, 9mm, 10mm, 11mm, 12mm, 13mm, 14mm, 15mm, Flex Socket 12 PT: 1/2 in, 1/4 in, 11/32 in, 3/8 in, 5/16 in, 7/16 in, 7/32 in, 9/16 in, 9/32 in, Hand Ratchet, Sliding T-Handle: 4-1/2 in, Socket: 5/32 in, Socket Deep 12 PT: 5mm, 5.5mm, 6mm, 7mm, 8mm, 9mm, 10mm, 11mm, 12mm, 13mm, Socket Bit Phillips: #1, #2, Socket Bit Hex: 1/16 in, 1/4 in, 1/8 in, 3/16 in, 3/32 in, 5/16 in, 5/32 in, 5/64 in, 7/32 in, 7/64 in, 9/64 in, 2mm, 2.5mm, 3mm, 4mm, 5mm, 6mm, Socket Bit Slotted, (2) 1/4 in, 3/16 in, Socket Bit Torx: T10, T15, T20, T25, T27, T30, Socket Bit Screwdriver Slotted: 1/4 in, Socket Clip, Socket Extensions: 2 in, 3 in, 6 in, Socket Extension Locking: 2 in, 6 in, Socket Spinner: 6 in, Socket 6 PT: 1/2 in, 1/4 in, 11/32 in, 3/16 in, 3/8 in, 5/16 in, 7/16 in, 9/16 in, 7/32 in, 9/32 in, 4mm, 5mm, 5.5mm, 6mm, 7mm, 8mm, 9mm, 10mm, 11mm, 12mm, 13mm, 14mm, Socket Deep 6 PT: 1/2 in, 1/4 in, 11/32 in, 3/16 in, 3/8 in, 5/16 in, 7/16 in, 7/32 in, 9/16 in, 9/32 in, 4mm, 5mm, 5.5mm, 6mm, 7mm, 8mm, 9mm, 10mm, 11mm, 12mm, 13mm, Socket 8 PT: 1/4 in, 3/8 in, 5/16 in, Speed Handle: 15-1/2 in, Universal Joint: 1-11/32 in, Wobble Socket Extension: 2 in, 3 in,
Tool Families Included
Abrasives and Finishing Tools, Drivers and Bits, Inspection and Retrieving Tools, Pliers, Plumbing Tools, Sockets and Accessories, Striking and Struck Tools, Wrenches
Nonsparking
No
3/4 In. Drive Sockets/Accs. Included
Breaker Bar: 20 in, Hand Ratchet, Impact Socket 6 PT: 1 in, 1-1/16 in, 1-1/4 in, 1-1/8 in, 13/16 in, 1-3/16 in, 15/16 in, 1-5/16 in, 3/4 in, 7/8 in, Sliding T-Handle, Socket Extension: 4 in, 8 in, 16 in, Socket 12 PT: 1 in, 7/8 in, 1-1/16 in, 1-1/2 in, 1-11/16 in, 1-13/16 in, 1-1/4 in, 1-1/8 in, 1-3/16 in, 1-3/4 in, 1-3/8 in, 15/16 in, 1-5/16 in, 1-5/8 in, 1-7/16 in, 1-7/8 in, 1-9/16 in, 2 in, 2-1/4 in, 2-1/8 in, 2-3/16 in, 2-3/8 in, Universal Joint
Included Storage
J9969-NA
Lights Included
Flashlight, Handheld LED Light
Number of Hex and Torx Keys
39
Pliers Included
Lineman's Pliers, (2) Slip-Joint Pliers, (2) Specialty Pliers, (3) Diagonal-Cutting Pliers, (3) Locking Pliers, (4) Long-Nose Pliers, (4) Tongue and Groove Pliers
Number of Electrical and Telecomm Tools
1
3/8 In. Drive Sockets/Accs. Included
Breaker Bar: 8-1/4", Crowfoot Open End: 1/2", 11/16", 13/16", 3/4", 3/8", 5/8", 7/8", 7/16", 9/16", 9mm, 10mm, 11mm, 12mm, 13mm, 14mm, 15mm, 16mm, 17mm, 18mm, 19mm, 20mm, 21mm, 22mm, 23mm, 24mm, Flex Socket Extension: 8", Impact Driver: 5-1/2", (3) Hand R
Number of Drilling, Extracting, and Tapping Tools
20
Number of Consumable Parts
0
Number of Nut Drivers and Nutsetters
23
Number of Pliers
19
Number of Cutting Tools
0
Measuring Tools Included
Feeler Gauge Set: 0.0015 in, 0.002 in, 0.003 in, 0.004 in, 0.005 in, 0.006 in, 0.007 in, 0.008 in, 0.009 in, 0.010 in, 0.011 in, 0.012 in, 0.013 in, 0.014 in, 0.015 in, 0.016 in, 0.017 in, 0.018 in, 0.020 in, 0.022 in, 0.025 in, 0.030 in, 0.032 in, 0.035 in, 0.040 in, Ignition Feeler Gauge Set: 0.013 in, 0.015 in, 0.017 in, 0.018 in, 0.020 in, 0.025 in, 0.030 in, 0.032 in, 0.035 in, 0.040 in, Tape: 12 ft x 1/2 in, 25 ft x 1-1/4 in, Torpedo Level: 9 in,
Drilling, Extracting, and Tapping Tools Included
Bolt Extractor: 7mm (Turns 1/4, 9/32 in), 8mm (Turns 5/16 in), 9mm (Turns 11/32 in), 3/8 in, 10mm, 11mm (Turns 7/16 in), 12mm, 13mm (Turns 1/2 in), 14mm (Turns 9/16 in), 15mm (Turns 16mm, 5/8 in), & Tool Holder, Screw Extractor: 13/16 in, 1/8 in, 11/32 in, 11/64 in, 15/32 in, 19/32 in, 19/64 in, 31/32 in, 7/32 in, 9/16 in
Recommended Tool Boxes
J456646-12RD
Number of Sockets/Accs.
705
Inspection and Retrieving Tools Included
None
Number of Measuring Tools
38
1/2 In. Drive Sockets/Accs. Included
Breaker Bar: 18-5/8", Crowfoot Flare Nut: 1-11/16", 1-13/16", 1-15/16", 1-1/2", 1-1/4", 1-1/8", 1-3/16", 1-3/4", 1-3/8", 1-5/16", 1-5/8", 1-7/16", 1-7/8, 1-9/16", 2", Crowfoot Open End: 15/16", 1", 1-1/2", 1-1/16", 1-11/16", 1-13/16", 1-1/4", 1-1/8", 1-3/
Wrenches Included
Adjustable Wrenches, Box End Wrenches, Chain Wrenches, Crowfoot Wrenches, Open End Wrenches, Pipe Wrenches, Torque Wrenches
Screwdrivers Included
Cabinet Round: 1/8 in x 3 in, 1/8 in x 4 in, 1/8 in x 8 in, 3/16 in x 4 in, 3/16 in x 8 in, Jewelers Precision 6 PC: #1, #0, 1.4mm, 2mm, 2.4mm, 3mm, Keystone: 1/4 in x 1-1/2 in, Multi-Bit Ratcheting, Phillips Round: #0 x 3 in, #1 x 3 in, #1 x 8 in, #2 x 1-1/2 in, #2 x 4 in, #2 x 8 in, #3 x 6 in, #4 x 8 in, Screw Starter Phillips: 5-3/4 in, Screw Starter Slotted: 5-5/8 in, Slotted Round: 1/8 in x 2 in, Slotted Square: 1/4 in x 4 in, 3/16 in x 4 in, 3/8 in x 12 in, 3/8 in x 8 in, 5/16 in x 6 in, Torx Round: T10 x 3-1/4 in, T15 x 3-1/4 in, T20 x 3-1/4 in, T25 x 3-1/4 in, T27 x 4 in, T30 x 4 in, T40 x 6 in, T45 x 6 in, T8 x 3-1/4 in
Hex and Torx Keys Included
Hex Key 11 PC: 5/64 in, 3/32 in, 7/64 in, 1/8 in, 9/64 in, 5/32 in, 3/16 in, 7/32 in, 1/4 in, 5/16 in, 3/8 in, Hex Key 6 PC: 2mm, 2.5mm, 3mm, 4mm, 5mm, 6mm, Hex Key 13 PC: 3/64 in, 1/16 in, 5/64 in, 3/32 in, 7/64 in, 1/8 in, 9/64 in, 5/32 in, 3/16 in, 7/32 in, 1/4 in, 5/16 in, 3/8 in, SET Hex Key 9 PC:: 1.5mm, 2mm, 2.5mm, 3mm, 4mm, 5mm, 6mm, 8mm, 10mm
Prybars and Pullers Included
Adjustable Reversible Puller Jaw, Blind Bearing Puller, Cap Screw Puller Jaw, (2) Dual Reach Puller Jaw, (2) Forcing Screw Tip, Inside Puller Jaw, Long Narrow Puller Jaw, Prybar Alignment, 18 in, 24 in, Prybar Flat: 12-3/4 in, Prybar Rolling Head: 12 in, 16 in, Puller: 2-Way Yoke, 3-Way Yoke, Puller Jaw Block: 6 Ton, Puller Jaw Reversible: 6 Ton, Puller Blind Bearing, Puller Cape Screw: 3/8"-16 UNC x 3 in, 3/8"-16 UNC x 4 in, 3/8"-24 UNC x 3 in, Puller Crossarm 2 Way: 3/4"-12 ACME, (2) 2/3 Way 5/8"-12 ACME, 3 Way 3/4"-12 ACME, (2) Puller Forcing Screw, Puller Inside Hook Jaw, Puller Jaw Block, Puller Jaw Block Lock, Puller Jaw Long Narrow, Puller Lock Screw, (2) Puller Nut Hex, Puller Pivot Pin, Puller Rod Threader, Puller Screw Cap, (2) Puller Spring Clip, Puller Step Plate: 1 in, 1-1/2 in, 1-1/4 in, 1-1/8 in, 1-3/4 in, 1-3/8 in, 1-5/8 in, 1-7/8 in, 2 in, 2-1/4 in, 2-1/8 in, 2-3/8 in, 3/4 in, 7/8 in, Rear Axle Flange Foot, Reversible Adjustable Puller Nut, Reversible Puller Jaw: 4 in Reach, 6 in Reach, Screwdriver Handle Prybar: 3/4 in, 5/8 in, (2) Separator Plate, Short Slide Rod, Slide Hammer: 2-1/2 lb, 5 lb, Slotted Crossarm Threaded: 5/8"-12 ACME, T-Handle Slide Rod
No. of Putty Knives and Scrapers Included
4
Number of Screwdrivers
13
Sub-Category
Maintenance Set
Measurement Type
Metric/SAE
Insulated
Uninsulated
Number of HVAC Tools
0
Number of Plumbing Tools
1
Non-Sparking
No
Abrasives and Finishing Tools Included
None
Screwdrivers, Keys, and Bits Included
(1) Specialty Screwdriver, (11) Slotted Screwdrivers, (2) Bit Holders, (2) Multi-Bit Screwdrivers, (2) Screw Starters, (23) Nut Drivers, (39) Hex Keys, (48) Screwdriver Bits, (6) Precision Screwdrivers, (8) Phillips Screwdrivers, (9) Torx Screwdrivers
Number of Measuring and Testing Tools
0
Measuring and Testing Tools Included
None
Number of Striking and Struck Tools
51
Number of Electrical and Telecom Tools
0
Electrical and Telecom Tools Included
None
Plumbing Tools Included
(1) Pipe Flaring Tool
Number of Abrasives and Finishing Tools
0
Number of Putty Knives and Scrapers
0
Foam Inserts Included
No
Tool Storage Type
None, Tools Only
Number of Screwdrivers, Keys, and Bits
151
Striking and Struck Tools Included
(1) Mallet, (18) Punches, (23) Hammers, (9) Chisels
Number of Sockets, Drive Tools, and Accessories
648
Sockets, Drive Tools, and Accessories Included
(141) Impact Sockets, (20) Drive Tools, (360) Sockets, (44) Accessories, (7) Impact Socket Bits, (76) Socket Bits
HVAC Tools Included
None
3/8 In. Drive Sockets/Accs. Included
(3) Hand Ratchet, Locking Extension: 6 in, Breaker Bar: 8-1/4 in, Crowfoot Open End: 1/2 in, 11/16 in, 13/16 in, 3/4 in, 3/8 in, 5/8 in, 7/8 in, 7/16 in, 9/16 in, 9mm, 10mm, 11mm, 12mm, 13mm, 14mm, 15mm, 16mm, 17mm, 18mm, 19mm, 20mm, 21mm, 22mm, 23mm, 24mm, Flex Socket Extension: 8 in, Impact Driver: 5-1/2 in, Impact Socket 6 PT: 1 in, 1/2 in, 1/4 in, 11/16 in, 11/32 in, 13/16 in, 15/16 in, 3/4 in, 3/8 in, 5/16 in, 5/8 in, 7/16 in, 7/8 in, 9/16 in, 9/32 in, Impact Socket Extension: 12 in, Impact Universal Joint, Power Hex Bit Holder, 1/4 in, 1-15/16 in, Ratchet Adapter, Sliding T-Handle, Socket 12 PT: 1 in, 1/2 in, 1/4 in, 11/16 in, 13/16 in, 15/16 in, 3/4 in, 3/8 in, 5/16 in, 5/8 in, 7/16 in, 7/8 in, 9/16 in, 8mm, 9mm, 10mm, 11mm, 12mm, 13mm, 14mm, 15mm, 17mm, 18mm, 19mm, Socket 6 PT: 1 in, 1/2 in, 1/4 in, 11/16 in, 13/16 in, 15/16 in, 3/16 in, 3/4 in, 3/8 in, 5/16 in, 5/8 in, 7/16 in, 7/8 in, 9/16 in, 21mm, 22mm, 23mm, 24mm, 25mm, 26mm, Socket 8 PT: 1/2 in, 1/4 in, 3/8 in, 5/16 in, 7/16 in, Socket Bit Hex Extra Long: 4mm, 5mm, 6mm, 7mm, 8mm, 10mm, Socket Bit Hex: 1/4 in, 1/8 in, 3/16 in, 3/8 in, 5/16 in, 5/32 in, 7/32 in, 4mm, 5mm, 6mm, 7mm, 8mm, 9mm, 10mm, Socket Bit Phillips: #2, #3, #4, Socket Bit Torx: T15, Socket Clip, Socket Deep 12 PT: 1 in, 1/2 in, 1/4 in, 11/16 in, 13/16 in, 15/16 in, 3/4 in, 3/8 in, 5/16 in, 5/8 in, 7/16 in, 7/8 in, 9/16 in, 6mm, 8mm, 9mm, 10mm, 11mm, 12mm, 13mm, 14mm, 15mm, 16mm, 17mm, 18mm, 19mm, 21mm, 22mm, 23mm, 24mm, 25mm, 26mm, Socket Deep 6 PT: 1 in, 1/2 in, 1/4 in, 11/16 in, 13/16 in, 15/16 in, 3/4 in, 3/8 in, 5/16 in, 5/8 in, 7/16 in, 7/8 in, 9/16 in, Socket Deep Spline: #16 1/2 in, #12 3/8 in, #20 5/8 in, #14 7/16 in, #18 9/16 in, Socket Extension: 3 in, 6 in, 12 in, Socket Spline: #16 1/2 in, #12 3/8 in, #20 5/8 in, #14 7/16 in, #18 9/16 in, Socket Super Short 6 PT: 1/2 in, 1/4 in, 11/16 in, 3/16 in, 3/4 in, 3/8 in, 5/16 in, 5/8 in, 7/16 in, 9/16 in, Speed Handle, Thin Wall Impact Socket Deep: 1/2 in, 1/4 in, 3/4 in, 3/8 in, 5/8 in, 7/16 in, 8mm, 9mm, 10mm, 11mm, 12mm, 13mm, 14mm, 15mm, 16mm, 17mm, 18mm, 19mm, Thin Wall Impact Socket: 11/16 in, 5/16 in, 9/16 in, Universal Joint 12 PT: 2 in, 18mm, 19mm, Universal Socket 12 PT: 1/2 in, 11/16 in, 3/4 in, 3/8 in, 5/8 in, Universal Socket 6 PT: 1/2 in, 11/16 in, 3/4 in, 3/8 in, 5/8 in, 7/16 in, 9/16 in, 7mm, 10mm, 11mm, 12mm, 13mm, 14mm, 15mm, 16mm, 17mm, 18mm, 19mm, Wobble Socket Extension: 3 in, 6 in, 8 in,
1/2 In. Drive Sockets/Accs. Included
(3) Hand Ratchet, Breaker Bar: 18-5/8 in, Crowfoot Flare Nut: 1-11/16 in, 1-13/16 in, 1-15/16 in, 1-1/2 in, 1-1/4 in, 1-1/8 in, 1-3/16 in, 1-3/4 in, 1-3/8 in, 1-5/16 in, 1-5/8 in, 1-7/16 in, 1-7/8, 1-9/16 in, 2 in, Crowfoot Open End: 15/16 in, 1 in, 1-1/2 in, 1-1/16 in, 1-11/16 in, 1-13/16 in, 1-1/4 in, 1-1/8 in, 1-3/16 in, 1-3/4 in, 1-3/8 in, 1-5/16 in, 1-5/8 in, 1-7/16 in, 1-7/8 in, 1-9/16 in, 2 in, 2-1/2 in, 2-1/4 in, 2-1/8 in, 2-3/8 in, 2-7/16 in, Deep Impact 6 PT: 1 in, 1/2 in, 11/16 in, 1-1/16 in, 1-1/2 in, 1-1/4 in, 1-1/8 in, 13/16 in, 1-3/16 in, 1-3/8 in, 15/16 in, 1-5/16 in, 1-7/16 in, 3/4 in, 3/8 in, 5/8 in, 7/16 in, 7/8 in, 9/16 in, 10mm, 11mm, 12mm, 13mm, 14mm, 15mm, 16mm, 17mm, 18mm, 19mm, 20mm, 21mm, 22mm, 23mm, 24mm, Deep Socket 12 PT: 1 in, 1/2 in, 11/16 in, 1-1/4 in, 1-1/8 in, 13/16 in, 15/16 in, 3/4 in, 5/8 in, 7/8 in, 9/16 in, 1-1/16 in, 10mm, 11mm, 12mm, 13mm, 14mm, 15mm, 16mm, 17mm, 18mm, 19mm, 20mm, 21mm, 22mm, 23mm, 24mm, Deep Socket 6 PT: 3/8 in, 7/16 in, 1-3/16 in, 1 in, 1/2 in, 11/16 in, 1-1/16 in, 1-1/2 in, 1-1/4 in, 1-1/8 in, 13/16 in, 15/16 in, 3/4 in, 5/8 in, 7/8 in, 9/16 in, 1-3/8 in, 1-5/16 in, 1-7/16 in, Drag Link: 3/4 in, 15/16 in, Extension Locking: 5 in, 10 in, Extension: 2-1/2 in, 5 in, 10 in, Flex Socket 12 PT: 1/2 in, 5/8 in, 9/16 in, Hex Bit Extra Long: 1/2 in, 1/4 in, 3/8 in, 5/16 in, 5/8 in, 9/16 in, Hex Bit Impact: 1/2 in, 1/4 in, 3/8 in, 5/16 in, 5/8 in, 7/16 in, 9/16 in, Hex Bit Socket: 1/2 in, 1/4 in, 3/8 in, 5/16 in, 5/8 in, 7/16 in, 9/16 in, 12mm, 14mm, 17mm, Impact Socket 12 PT: 1 in, 1/2 in, 11/16 in, 1-1/16 in, 1-1/4 in, 1-1/8 in, 13/16 in, 1-3/16 in, 15/16 in, 3/4 in, 3/8 in, 5/8 in, 7/16 in, 7/8 in, 9/16 in, Impact Socket 6 PT: 10mm, 11mm, 12mm, 13mm, 14mm, 15mm, 16mm, 17mm, 18mm, 19mm, 20mm, 21mm, 22mm, 23mm, 24mm, Impact Universal Joint, Ratchet Adapter, Sliding T-Handle, Socket 12 PT: 1 in, 1/2 in, 11/16 in, 1-1/2 in, 1-1/4 in, 1-1/8 in, 13/16 in, 1-3/8 in, 15/16 in, 19/32 in, 25/32 in, 29/32 in, 3/4 in, 3/8 in, 5/8 in, 7/16 in, 7/8 in, 9/16 in, 1-1/16 in, 1-3/16 in, 1-5/16 in, 1-7/16 in, 10mm, 11mm, 12mm, 13mm, 14mm, 15mm, 16mm, 17mm, 18mm, 19mm, 20mm, 21mm, 22mm, 23mm, 24mm, Socket 6 PT: 1 in, 1/2 in, 11/16 in, 1-1/16 in, 1-1/4 in, 1-1/8 in, 13/16 in, 1-3/16 in, 15/16 in, 3/4 in, 3/8 in, 5/8 in, 7/16 in, 7/8 in, 9/16 in, Socket 8 PT: 1 in, 1/2 in, 11/16 in, 13/16 in, 3/4 in, 3/8 in, 5/8 in, 7/16 in, 7/8 in, 9/16 in, Socket Bit Torx: T20, Socket Clip, Speed Handle, T25, T27, T30, T40, T45, T50, Thin Wall Deep Impact: 1 in, 1/2 in, 11/16 in, 1-1/16 in, 1-1/4 in, 1-1/8 in, 13/16 in, 1-3/16 in, 15/16 in, 3/4 in, 3/8 in, 5/8 in, 7/16 in, 7/8 in, 9/16 in, 10mm, 11mm, 12mm, 13mm, 14mm, 15mm, 16mm, 17mm, 18mm, 19mm, 20mm, 21mm, 22mm, 23mm, 24mm, Universal Joint, Wobble Extension: 2-1/2 in, 5 in, 10 in
Wrenches Included
(2) 5.5mm, (2) Micrometer Torque Wrench, (3) 6.3mm, (5) 7.1mm, Adjustable: 6 in, 8 in, 10 in, 12 in, 15 in, Angle Open End: 1/2 in, 11/16 in, 15/16 in, 9/16 in, 1 in, 1-1/4 in, 1-1/16 in, 1-1/8 in, 13/16 in, 3/4 in, 7/8 in, 3/8 in, 5/8 in, 7/16 in, Chain Wrench: 16-1/2 in, Combo 12 PT: 1 in, 1/2 in, 11/16 in, 1-1/16 in, 1-1/2 in, 1-1/4 in, 1-1/8 in, 1-3/8 in, 1-5/16 in, 1-7/16 in, 13/16 in, 15/16 in, 3/4 in, 3/8 in, 5/16 in, 5/8 in, 7/16 in, 7/8 in, 9/16 in, 7mm, 8mm, 9mm, 10mm, 11mm, 12mm, 13mm, 14mm, 15mm, 16mm, 17mm, 18mm, 19mm, 20mm, 21mm, 22mm, 23mm, 24mm, Combo Flare Nut 12 PT: 1/2 in, 11/16 in, 3/4 in, 3/8 in, 5/8 in, 7/16 in, 9/16 in, Combo Flex 12 PT: 11/16 in, 1/2 in, 3/4 in, 3/8 in, 5/8 in, 7/16 in, 9/16 in, Combo Short 12 PT: 11/32 in, 1/4 in, 3/8 in, 5/16 in, 9/32 in, Combo Short 6 PT: 11/32 in, 1/4 in, 1/8 in, 3/16 in, 3/8 in, 5/16 in, 5/32 in, 9/32 in, Double Box 12 PT: 11/16 in x 3/4 in, 13/16 in x 7/8 in, 15/16 in x 1 in, 1-1/16 in x 1-1/8 in, 5/16 in x 3/8 in, 7/16 in x 1/2 in, 9/16 in x 5/8 in, Flare Nut 12 PT: 7mm x 8mm, 9mm x 11mm, 10mm x 12mm, 13mm x 14mm, 15mm x 17mm, Ignition Wrench: 1/4 in x 7/32 in, 11/32 in x 3/8 in, 13/64 in x 15/64 in, 15/64 in x 13/64 in, 3/8 in x 11/32 in, 5/16 in x 9/32 in, 7/32 in x 1/4 in, 9/32 in x 5/16 in, Obstruction Box: 7/16 in x 1/2 in, 9/16 in x 5/8 in, 5/8 in x 3/4 in, Offset Double Box 12 PT: 6mm x 7mm, 8mm x 9mm, 10mm x 11mm, 12mm x 13mm, 14mm x 15mm, 16mm x 18mm, 17mm x 19mm, 21mm x 24mm, 22mm x 24mm, 27mm x 30mm, 30mm x 32mm, Open End: 1/2 in x 9/16 in, 1/4 in x 5/16 in, 1-1/16 in x 1-1/8 in, 11/16 in x 3/4 in, 13/16 in x 7/8 in, 15/16 in x 1 in, 5/16 in x 3/8 in, 5/8 in x 3/4 in, 7/16 in x 1/2 in, 9/16 in x 5/8 in, 6mm x 7mm, 8mm x 9mm, 10mm x 11mm, 12mm x 13mm, 14mm x 15mm, 16mm x 17mm, 18mm x 19mm, 20mm x 22mm, 21mm x 23mm, 24mm x 26mm, Pipe Wrench: 10 in, 14 in, 18 in, Ratcheting Box End: 1/2 in x 9/16 in, 1/4 in x 5/16 in, 3/4 in x 7/8 in, 3/8 in x 7/16 in, 5/8 in x 11/16 in, 7mm x 8mm, 9mm x 10mm, 11mm x 13mm, 12mm x 14mm, 15mm x 17mm, Ratcheting Flare Nut 12 PT: 1/2 in, 11/16 in, 3/4 in, 3/8 in, 5/8 in, 7/16 in, 9/16 in, Short Angle Open End: 1/2 in, 1/4 in, 11/32 in, 15/64 in, 3/8 in, 5/16 in, 7/16 in, 7/32 in, 9/32 in, Short Double Box 12 PT: 3/8 in x 7/16 in, 1/2 in x 9/16 in, 5/8 in x 3/4 in, 5/16 in x 3/8 in,

Description

The PROTO JCS-1258MAS Master Technician Maintenance Set is a comprehensive 1,258-piece master tool kit designed for industrial and maintenance technicians. The set includes a wide assortment of sockets, wrenches, pliers, screwdrivers, measuring tools, and specialty equipment for general mechanical, maintenance, and repair work. It features tools with both SAE and metric measurement systems across drive sizes of 1/4 in, 3/8 in, 1/2 in, and 3/4 in. The collection includes socket and wrench types such as 6-point, 12-point, deep, impact, flare nut, and ratcheting variations, along with striking, prying, and electrical tools. All tools are precision-made and organized within blow-molded cases and tool pouches for structured storage.

Key Features:

  • Number of Pieces: 1,258 total tools and accessories
  • Drive Sizes: 1/4 in, 3/8 in, 1/2 in, and 3/4 in
  • Measurement System: SAE and metric
  • Socket and Drive Tools: Over 700 pieces, including impact, deep, and flex sockets; ratchets; extensions; and adapters
  • Wrenches: 230 pieces, including open-end, box, ratcheting, torque, and specialty wrenches
  • Pliers: 19 total, including lineman’s, locking, slip-joint, diagonal-cutting, and tongue-and-groove types
  • Screwdrivers and Bits: 151 pieces, including slotted, Phillips, Torx, precision, and multi-bit drivers
  • Prybars and Pullers: 67 pieces with various lengths and configurations for alignment and extraction tasks
  • Striking Tools: 51 pieces, including hammers, punches, chisels, and mallets
  • Measuring Tools: Feeler gauges, ignition gauges, tape measures, and levels
  • Additional Tools: Bolt and screw extractors, nut drivers, hex keys, wire stripper, and pipe flaring tool
  • Included Storage: Four blow-molded boxes and multiple tool pouches
  • Primary Application: Technician and industrial maintenance work

Restrictions

WARNING: Cancer and Reproductive Harm For more information go to www.P65Warnings.ca.gov

Ratings & Reviews

3 Reasons You Can Count On Us

  • Supplies for every job.

    Supplies for every job.

    10 million items and the exact one you need.

  • When you need it fast, count on Zoro!

    When you need it fast, count on Zoro!

    2 million products ship in 1 day.

  • Stretch your budget further.

    Stretch your budget further.

    Everyday low prices on the brands you love.

Explore More Products