✦ Brass is real copper, Shiny Brass is brass hand-polished and 14K gold surface; ✦ More safe, 316L food grade stainless steel(almost 201 steel on the market). ✦ Industrial Steel is a timeless memorial badge, material super hard and deep engraving. ✦ Laser engraving + hand-polished, clear, permanent and attractive.
Extra Small ---- 18 mm (0.71 inch) Small ---- 23 mm (0.91 inch) Medium --- 28 mm (1.10 inch) Large ---- 33 mm (1.30 inch)