Ring Stick Euro New Superior with Rubber Grip Handle

With measurements in mm and inches.

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

For measuring diamonds and stones. Capacity 0.10 to 4 carats

K&B Diamond and Stone Gauge. Measures loose or mounted stones from 3 points to 4 carats. Birthstone chart on reverse.