Features: Each glass mount is designed to be fixed with two screws, providing superior wall support compared to single-screw designs and ensuring your glass stays firmly in place over time. Constructed from sturdy zincs alloy, glass holders for wall mounting offer stable strength to securely support frameless glass. This glass mounting hardware complements a variety of interior styles and blends seamlessly with modern glass and glass designs. Simply attach the base to the wall with the included screws and anchors, then rotating the front collar clockwise to lock the glass in place. The design includes soft contact points to prevent slipping and protect the glass edges, ensuring a tight, none scratch hold in any frameless glass mounting application. Specifications: Component: zincs Alloy Size:about 26.9x13.8mm/1.06x0.54inch Clamp Glass Thickness: 3-5mm/0.12-0.20inch Package Includes: 4Pcs Glass Clamp note: Please allow 1-2cm errors due to manual measurement, make surely that you not mind before order. Due to difference between different monitors, the picture may not reflect the actual color.