TK316 is short for TUSK Chrome steel, which indicated that your jewellery will continue being stainless and you will have no trouble cleansing it. The which means of “JP 88” can vary depending on the jeweler, state of origin, and precise marking technique employed. TK316 is short for TUSK Stainless-steel, https://titusuisdn.theblogfairy.com/35969854/5-simple-statements-about-jp88-explained