About this item:

[Durable and Reliable]: Our pin gauges are made of bearing steel, heat-treated to a hardness of 60-62 RC for durability and long-lasting reliability.

[Complete Set]: This 250-piece kit covers a range from 0.251 to 0.500" with a minus tolerance of 0.0002" and a step of 0.001". Each length is 2"±0.01".

[Enhanced Features]: The gauge surface is polished and burr-free, with a finish of 10 microns or better.

[Clear Markings]: Comes with a storage case to keep the pin gages organized. Each gage size is clearly marked in the case, and size information is etched on each pin gage making it easy to identify and use.

[Versatile Use]: Great for checking diameters of holes, bushings, and worn parts, as well as the distance between holes and hole location. It can also calibrate vernier calipers, micrometers, and other measuring equipment to detect geometric deviations.