British Standard Plastic Ring Gauge Set of 26, Rings A-Z

Holes are used to measure stones and extensions are used to measure mountings. Gauge has mm and carat measurements.

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.

With CM conversion only837 With Clip