Presidium Gem Indicator PGI Colored Gemstone and Diamond Tester Punches Textured back

Textured back

Style- Military

This is a new set of 75 sterling silver head pins

This is a hand held ring clamp that gives you a durable and reliable way to hold rings for stone setting

Melting Point - 1715

Presidium Gem Indicator PGI Colored Gemstone and Diamond Tester Punches Textured backThe only handheld digital tester in the industry specifically for colored gemstones, and tests for 31 types of gemstones. The Presidium Gem Indicator, the only handheld tester in the industry specifically for colored gemstones, indicates up to 31 different types of colored gems based on their thermal conductivity and even features a color input function that allows users to select from a range of 12 common colors, thereby achieving more accurate