TK316 is brief for TUSK Stainless-steel, which indicated that the jewellery will remain stainless and you should have no problems cleansing it. However, this interpretation is more unlikely, as “JP” alone doesn’t usually signify a certain metallic normal. Really should I be concerned if my jewelry doesn’t have any marks? https://milobsftf.blogdomago.com/35765064/the-ultimate-guide-to-jp88