Material:304 stainless steel Size: 53*33*20 mm (H x L x T/D) for 6-8 mm glass PACKAGE 12x stainless steel glass clamps, Each glass clamps includes:2x rubber layers,2x Hexagon screws,1x mini-adjusting screw Note:Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/-1-3cm.