Glass Clamp: 1) Material: stainless steel AISI304, AISI316 or others with satin or mirror finish, suit for 8-10mm glass 2) Size: suit for flat tubes 3) Fix to posts with blind rivet nuts and cap screws 4) Clamps can support approx.60-80kgs per 2 clamps vertically positioned 5)Easy to clean, Low Maintenance Cost 6) Pls order gaskets and pis to suit appropriate glass 7)OEM products are available