Gold Test Needles-Set Of Five-8K-10K-12K-14K & 18K Ring Mountings 569) Number of Screwdrivers 9

569) Number of Screwdrivers 9 Blade Sizes 0

Curved handle geometry promotes comfortable grip and natural swing

Bring lathe-quality texturing to your flexshaft handpiece with these miniature texturing wheels

Engineered for serious workshop use

5 mm Approximate Stone Weight 3/8 ct (diamond weight) Prong Count 4 Construction Die struck Finish Highly polished Ring Size Range 6–6-1/4 (standard USA) 14K White Gold Alloy Nickel-based

Gold Test Needles-Set Of Five-8K-10K-12K-14K & 18K Ring Mountings 569) Number of Screwdrivers 9Gold 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