Bulk Jewelry Supplies-Gold Silver Platinum Testing Kit-PuriTEST Acids, Stone, 10 Files, Loupe, 5gr Solid Silver
Very easy to use and includes instructions. Sealed box contains complete set [six (6) bottles test solution] PuriTEST acids; 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 new in box sealed with shrink-wrap. Test stone and files are brand new, and will last many uses.  Test stone measures 2 inches x 2 in.; files are 5.5 inches in length (14 cm) Use the FREE solid silver sample to demonstrate test procedure.  Very easy to use.  Popular among professionals, hobbyists, coin enthusiasts, business owners, and students alike. Excellent tools. Excellent Value.