Gold Test Needles-Set Of Five-8K-10K-12K-14K & 18K Gold & Platinum Solders 0 mm Origin Swiss Made

0 mm Origin Swiss Made Grobet Part No

Available in Cut 0 (Coarse) and Cut 2 (Medium)

electro-stripping

and improves casting consistency — particularly valuable when working with precious metals where overpour is costly

06" Profile Barrette Material Pure sintered synthetic ruby crystals — no bonding material Country of Origin Germany Suitable Materials Hardened tool steel

Gold Test Needles-Set Of Five-8K-10K-12K-14K & 18K Gold & Platinum Solders 0 mm Origin Swiss MadeGold test needles are an essential tool for jewelers and precious metal buyers who need to verify the karat purity of gold items using acid testing. This set includes five needles spanning the most commonly encountered gold karats 8K, 10K, 12K, 14K, and 18K giving you a comprehensive reference range for comparative acid testing. To use, select the appropriate karat needle and rub or scratch it against a test stone. Make a second mark on the stone with