TK316 is brief for TUSK Stainless-steel, which indicated that the jewellery will keep on being stainless and you will have no problems cleansing it. The indicating of “JP 88” could vary according to the jeweler, nation of origin, and particular marking system applied. TK316 is brief for TUSK Stainless Steel, https://zionsgqcn.blogdeazar.com/37143235/a-simple-key-for-jp88-unveiled