Gauge Ring Plastic with Half Numbers

Gauge will measure diameter and circumference in mm and inches.
Hollow cavity to store work tools like files, tweezers, gauges, etc.

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.

0.001 to 5ct

15mm Capacity; Graduations 1 to 10mm;
Throat 20mm.