Gold Test Needles-Set Of Four-10K-14K-18K & .999 Silver Bands & Mountings hardened to 50Rc Handle Material

hardened to 50Rc Handle Material African Padauk (Rosewood-type) Handle Length 225mm (8-7/8") Country of Origin Vietnam

Replacement punches are sold separately

Also effective on fine steel surfaces

193 are sold separately

Gold Test Needles-Set Of Four-10K-14K-18K & .999 Silver Bands & Mountings hardened to 50Rc Handle MaterialGold 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