Pro-Series 48 Piece Thread Wire Measuring Set

Pro-Series 48 Piece Thread Wire Measuring Set (4200-0240) ~ Measures all 60° threads. ~ Measures all threads from 3 to 48 threads per inch and all metric from 0.5mm to 6mm pitch. ~ Wires are fitted in a plastic case stamped with sizes. ~ Chart compiled from the U.S. Standard Handbook H.28. and gives proper sizes & measurements over wires. ~ Comes with 4 wire holders with 2 pair of holes each and each pair of holes is for different sizes of wire. ~ 48 pieces & 16 different sizes. ~ 3 wire methods for measuring external threads.