Very easy to use and includes instructions. Sealed box contains six (6) bottles test solution; each bottle contains 1/2 fluid oz (0.5 fl oz) test acid. You will receive one 10k solution, one 14k solution, one 18k solution, one 22k solution, one Silver solution, and one Platinum solution--each bottle will last many uses. Test stones are brand new, and will also last many uses; standard size measures 2"-by-2" (inches; in.), and the larger touchstone measure 6"-by-3" DigiWeigh electronic jewelry scale is ideal for loose diamonds/gems, precious minerals, gold, silver & other metals, small postal shipments, and much more. Enables you to choose from four (4) separate modes: Grams (g), Ounces (oz), Carats (ct), and Grains (gr/gn). Scale Capacity/Accuracy: 100/0.01 g, 3.527/0.0005 oz, 500/0.05 ct, 1542.8/0.2 gr. Very easy to use. Popular among professionals, hobbyists, coin enthusiasts, business owners, and students alike. Excellent tools. Excellent Value. The 100AX model with the same weighing modes and accuracy may be substituted for the 100AS scale.
- Brand: PuriTEST
- ASIN: B005JG2SK0