SPI Metric Pin Gage Set For quick and accurate measurements. Measure hole sizes, slot widths, calculate distances between holes, use as Go/NoGo gaging, etc. Class ZZ guaranteed to .005mm Features include... 21mm - 22.48mm Range 75 Pins Tolerance... Minus Set (-0.005mm / +0.000mm) Hardened to 60/62 Rockwell C Set includes sturdy, aluminum handle. 10 micro finish or better. Certificate of Accuracy included
