SPI Pin Gage Set Features include... 0.251" - 0.500" Range 250 Pins Plus Set (+.0002" / -0") For quick and accurate measurements. Measure hole sizes, slot widths, calculate distances between holes, use as Go/NoGo gaging, etc. Each set includes pin gage holder. Furnished in attractive molded plastic case. Class ZZ guaranteed to 0.0002"/0.005 mm tolerance limit. Inspected with equipment which has been calibrated and is . Marked with size and direction of tolerance on gages over 0.060"/1.5 mm. Hardened drill rod RC 60-62, 2 inches long. 10 micro finish or better. Certificate of Accuracy included
