GemOro® Pro-D3 White Diamond and Sapphire Tester Calipers made with a chip of

made with a chip of industrial-grade diamond set into a 3/8"H head

straightening wire and flattening metal and holding components

Media capacity:

Buying this chain by the foot means it's easy to get the length you need for one or multiple designs

identical bends in wire

GemOro® Pro-D3 White Diamond and Sapphire Tester Calipers made with a chip ofThe Pro D3 white diamond and sapphire tester from GemOro offers the protection against fraud. This tester uses electrical conductivity testing to reliability identify white diamonds and sapphires. Designed in the USA with exclusive, patented ergonomics, the Pro D3 fits comfortably in your hand. Patented intuitive finger pads provide a user friendly ease of use, a sure grip and added comfort. The probe tip is retractable for increased durability and