Pocket Degree Gauge – Steel

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

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.

Measures in MM and 41 - 76 European Standard.