: Drilling holes in the glass ( 5mm / 0.2inch), installing the soft disc and the metal disc, tighten the screws firmly and finally install the screw Covers Caps Let the screws look beautiful to give your Glass Fashion look Used widely in Glass, tables, wardrobes or other glass furnitures Make of, Zincs Alloy and Cold Rolled Steels, resistant, not rusts Can fix and decorate Glass greatly, create more elegant look, Manufacturer: Oxxggkao