Non-Tarnish 201 Stainless Steel Links, Manual Polishing, Wing, Stainless Steel ColorSize: about 7mm wide, 21mm long, 1.5mm thick, hole: 1.6mm.Double Sided Manual Polishing: These links are hand-polished, which means that the front and back of the links are manually put on the polishing wheel to friction, making it more shiny and smoother
