Gold Test Needles, 5 (8k, 10k, 12k, 14k, 18k)
Purchase
SKU: 56065
MODEL: TES-805.00
Regular Price: $54.10
Sale Price: $40.99
Description
Test needles are used to scratch on test stones and compare the speed at which test acid dissolves the test needle metal to the speed it dissolves the metal being to more closely determine the metal purity level.