Ring Gauge Jumbo Set of 17

Battery operated and provides accurate sizing in mm and inches.

Nickel plated steel with roller adjustment. One edge is
graduated in inches reading ½” in ½” in 1/16” divisions and other
edge in metric scale from 0 to 120mm in 1mm divisions.

Carbide tipped measuring faces parallel, ground and lapped.
Stainless steel spindle for rust prevention, heat resistant grips and calibration is laser etched.