PuriTEST 6''x3'' Scratch Stone Gold Silver Test Kit 10K 14K 18K 22K 24K Platinum
PuriTEST and 3"x6" Test Stone with rubber backing to ensure non-slip desktop testing! 10K, 14K, 18K, 22K, 24K Bottles. Simply scratch the test stone with your jewelry and apply a drop of the acid to the stone and watch the results appear!