Product details:

[Application]: A system for producing precision lengths. Precision-ground cylindrical bars, for use as plug gauges to measure hole diameters, or as parts of go/no go gauges or similar applications. Used as a reference for the setting of measuring equipment used in machine shops, such as micrometers, sine bars, calipers, and dial indicators (when used in an inspection role). [Accuracy]: +.0000in, -.0002in [Size]: Overall length 2'', .626 - .750" x 125 PCS/SET [Hardness]: Heat treated 60-62 RC This is not a meyer, vermont brand, KEY POINT: BR Steel Pin Gage Sets BR 125 Pcs Steel Pin Gage Sets BR 125 Pcs .626 - .750" M4 Class ZZ Steel Pin Gage Sets BR checking location, hole size, gage slots BR checking worn parts