This testing kit delivers everything you need to accurately test for 10-, 14- and 18-karat gold without damaging the jewelry piece. Three 1/2-oz. pre-mixed testing acids (10K, 14K and 18K) in easy-to-access color-coded shatterproof bottles are included, along with one set of testing needles and one 1 1/2" x 1 1/2" test stone. The kit is packaged in a wood organizer box that shuts securely with a magnetic closure.
• Three .5-oz bottle of pre-mixed testing acids, one of each: 10K, 14K and 18K.
• One three-piece test needle set, one of each: 10K, 14K and 18K.
• One test stone, 1-1/2" x 2-1/2".