TK316 is brief for TUSK Stainless Steel, which indicated that your jewellery will remain stainless and you'll have no hassle cleaning it. There is not any difference amongst the markings S925 and 925; the two designate that the product of jewellery is fabricated from sterling silver of the highest quality. https://casper7733333.blogocial.com/jp88-fundamentals-explained-72635343