Gold Test Needles-Set Of Four-10K-14K-18K & .999 Silver Bands & Mountings Brand Sangers® Construction Emery cloth

Brand Sangers® Construction Emery cloth Grit Range 4/0 (finest) – #3 (coarsest) Quantity 12 pieces per set Mandrel Compatibility Wood mandrel What's Included

Replacement punches are sold separately

30mm FTC118

shielded ball bearings Drive Type Square drive (H-type only) Chuck Key Included

Gold Test Needles-Set Of Four-10K-14K-18K & .999 Silver Bands & Mountings Brand Sangers® Construction Emery clothGold test needles are an essential tool for jewelers performing acid based metal testing. This set of four needles covers three gold karats 10K, 14K, and 18K plus . 999 fine silver, giving you a reliable reference for the most commonly tested metal finenesses. To use, select the appropriate karat needle and rub or scratch it against a test stone. Make a corresponding scratch or rubbing with the item being tested alongside the needle mark. Apply a drop