High Quality & Durable: The hinge plate is made of quality thickened stainless steel, strong enough and not easy to deform, not easy to rust, it is very suitable for kitchen and bathroom cabinets. Made of high quality zinc alloy, chrome finished, corrosion resistant and sturdy, fine and smooth edges, better protect your hands. Anti-slip silicone suction cup, can increase friction and fix the glassprevents the glass from sliding, prevents scratches caused by direct contact between the brackets and the glass. Widely used on display stand, wine cabinet, cupboard, book shelf, closet, shoe cabinet, table, etc. Total Size: 22 x 10mm; Mounting Hole Diameter: 6mm/0.23'; Suction cup diameter: 13 mm / 0.51, the size of the picture is measured manually, please forgive me for any errors Note: This product does not come with screws Screw fixing installation, the package includes 20 glass shelf brackets and 40 fixing screws, you can install the glass shelf brackets in minutes.