Any ring Together with the STS stamp on it ensures that it had been produced by an STS Jewelry firm, that has its headquarters in Austin, Texas. 925 is a sign for sterling silver. TK316 is short for TUSK Stainless Steel, which indicated that the jewelry will continue being stainless https://slot-pulsa32097.pointblog.net/5-essential-elements-for-jp88-83500222