Features:
This 3 Wire Thread Measuring Set is the fastest and most accurate thread meansuring system to measure the pitch diameter of an external screw thread.
1. The set includes 48 pieces, 16 different sizes for all 60 degree threads.
2. Measuring all threads from 3 to 48 threads per inch and all metric from 0.5mm to 6mm pitch.
3. Complied with the U.S standard.