Stainless steel has become one of the most sought after materials in fashion as of late, and it's no wonder why This men's ball chain link necklace is crafted in solid surgical stainless steel Grade 316L Features a mirror polish finish and is 1/16 16 MM thick Available in 18 inch 457 MM, 20 inch 508 MM or 22 inch 559 MM The chain is completed with a very secure, lobster clasp