Optical Punch Set & 4 Piece High Speed Steel Center Drill Set No 1-No 4

HHIP Optical Punch Set & 4 Piece High Speed Steel Center Drill Set #1-#4Optical Punch Set has a punch size of 3/8" and is made of tempered steel. The body diameter is 3/8".The pin length is 1.85" and the lens magnifier power is 9x. This set allows you to punch layout points within .002" of location easily. Even the inexperienced can punch accurate holes every time with this set. It is indispensable when doing critical layout work.Just look down the magnifying lens and align the cross hairs with the mark on your work piece.Replace the magnifier with the supplied punch and give it a tap.Punch set includes 3 components: a bullseye and cross hair lens, a 120 degree center punch made of tempered steel, a precisely manufactured aluminum main body and a fitted case. The plain style center drill set is high speed steel and ground.The drills are used for centering work ends, where the work piece is to be revolved on machine centers.The 60 Degree countersink angle fits all standard centers.