STAINLESS STEEL PUZZLE RING. Two separate stainless steel rings combine together to form one ring with a lightning bolt design. One ring has a high polish finish and the other one has a matte brushed steel finish. Each steel band is 3mm wide. Both stainless steel rings are 1mm in thickness. The entire stainless steel ring is 6mm wide and 2mm thick. This stainless steel ring is crafted from 316L Surgical Grade Stainless Steel so it won?t cause skin irritation or allergies. Stainless steel is noncorrosive and will not tarnish! This ring is flawless and polished to a mirror shine. Brand: FreshTrends Age: Adult Condition: New