The 16 gauge continuous ring is made from implant grade 316LVM stainless steel by Body Circle Designs. Hand polishing insures a flawless mirror finish second to none. Also called seamless rings, there's a small gap between the two flat-cut ends of the ring. If you're unsure how to open and close continuous rings (a.k.a. seamless), be sure to check out our video demonstration . Available in the 7/16" diameter only.