Gold Test Needles-Set Of Five-8K-10K-12K-14K & 18K Gold & Platinum Solders 06" Profile Barrette Material Pure

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

0 mm Origin Swiss Made Grobet Part No

These sterling silver and yellow gold filled paper clip chains feature oval elongated links with a large link opening

The bent shank design — also known as a gooseneck stamp — allows for marking the inside of rings and other recessed areas that straight stamps cannot reach

Gold Test Needles-Set Of Five-8K-10K-12K-14K & 18K Gold & Platinum Solders 06" Profile Barrette Material PureGold 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