Product description
Portable folding fan-shaped gem size and diameter measuring tool, made of aluminum material, light quality, easy to store.
You can choose from many styles: 6 arms fan-shaped, 8 arms fan-shaped, and 6pcs round shape .
Suitable for measuring the diameter of diamond, gem and agate beads.
With professional size scale on the surface, it is a very practical tool for jewelers and jewelers.
With the help of this sizing gauge ,you will get a fast way to calculate the size and weight of a diamond.
6 arms fan gauge hole size : 1-6mm ,length 55mm
8 arms fan gauge hole size : 1-10mm.length 55mm
square size hole size 2-4mm
round hole size approx 1-10mm
Please allow slight measurement errors and color difference,thanks for your understanding !