TK316 is short for TUSK Stainless-steel, which indicated that your jewelry will continue to be stainless and you should have no problems cleaning it. The meaning of “JP 88” can differ with regards to the jeweler, region of origin, and certain marking system employed. TK316 is brief for TUSK Stainless https://edwineoaku.eedblog.com/37071894/the-fact-about-jp88-that-no-one-is-suggesting