The thickness of the laminated glass is about 10-12mm There is no need to drill holes in the glass, just fix the glass clamp on the wall, clamp the the glass clamp, and tighten it The installation is and quick Fine and smooth surface gives a nice and clean look, not easy to rust and resistance The screw with silicone tip will grip the glass more firmly It can be installed on glass shelves, glass cabinet doors or other glass furniture Can be used to fix shelves in dry and humid environments Thicker Metal structure, Heavy duty design, rugged and, Manufacturer: LiRRvb