Stainless Steel C Glass Clamp, Glass Clip Flat, Glass Holder Made In China Hot Sale Glass Clamp!!! Flat back!! Material Zinc alloy, 304SS, 316SS, 316LSS Finish Satin, Mirror, Titanium Glass Thick 10/12mm(6/8mm please order gaskets to suit ) Capacity When vertically positioned 2 clamps can support approx 60-80Kg per pair