Alfa Mirage GKS-3000 Precious Metal Tester & Scale Shindler Diamond Scale Pen style design is unique

Pen style design is unique

Kapton branded tape

Made in Japan

Sturdy metal construction that can be screwed to the bench or work surface (screws not supplied)

From ETA Switzerland

Alfa Mirage GKS-3000 Precious Metal Tester & Scale Shindler Diamond Scale Pen style design is uniqueThe Alfa Mirage Precious Metal Tester GKS 3000 can quickly, easily and accurately determine the purity of gold, platinum, silver and white gold by two weighings (by measuring the specific gravity): one with the piece in a water tank, the other normally. An internal computer does all the calculations for you. Only works for solid metal pieces without set stones. No acid, needles, or test stones are needed. Leaves no scratches or stains on your gold