Precise Pro-Series 48 Piece Inch/Metric 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.