TK316 is short for TUSK Stainless-steel, which indicated that the jewellery will stay stainless and you should have no difficulty cleaning it. The this means of “JP 88” can differ with regards to the jeweler, region of origin, and particular marking method used. TK316 is short for TUSK Chrome steel, https://beausxbei.weblogco.com/37043548/jp88-no-further-a-mystery