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Hardest soft solder available — holding power of 4
repeatable fluted forms
) 4" x 2" x 1/2" Mounting Wood box Variant Count 1 Notes
a 3-stage filtration system
The stone measures approximately 6" x 2" x 1/2" and is conveniently mounted in a wood box for easy bench use and storage
Gold Test Needles-Set Of Five-8K-10K-12K-14K & 18K ImpGen Hardest soft solder available —Gold 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
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