626.750 Plug Pin Gage Set Minus (-) Steel. Our part # ALL-55108. Number of pin gages: 125. Gage increments are in. 001″ steps Minus tolerance: +0/. 0002″. Fully hardened to 60-62 RC. Each gage is inspected and has a 10 Micron finish or better. Complete with plastic, element-proof fitted case. We also sell custom tooling packages!