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

Pen style design is unique

3M reference 268L

5X Barlow Lens

Denser than pith wood and more flexible than the boxwood

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