FG-01
This gauge is designed for measuring the length outside on back of polish jig, Range of length on gauge is from 0 to 5 mm. The resolution of length on gauge is 0.01 mm.
FG-03
This gauge is designed for measuring the ferrule length pressed into flange, Range of length on gauge is from 0 to 10 mm. The resolution of length on gauge is 0.01 mm.