684-3Z Starrett Chamfer Gage 0-1", 90-127°Starrett Chamfer Gage These Chamfer Gages provide instant measuring of chamfers and tapered hole diameters. Specifications include 0 1" Capacity 90 127 Angle Range Direct Diameter Reading to 0. 001" Features include When the three blade contacts are pressed against a flat surface, the gage should read the set number stamped on the back of the indicator. No setting master is necessary. Internal gages will measure the largest diameter of any chamfer