Made of high quality zinc alloy, chrome finish, corrosion resistant and sturdy, thin and smooth edges, better protect your hands. Non-slip silicone suction cup, can increase the friction and fix the glassprevent the glass from slipping, prevent scratches caused by the direct contact between the brackets and the glass. Widely used on the display stand, the wine cabinet, the cupboard, the bookshelf, cupboard, shoe cabinet, table, etc. Total size: 22 x 14mm / 0.86 * 0.55' (L x W); Mounting Hole Diameter: 6mm / 0.23'; Suction cup diameter: 13mm/0.51' Screws fixing installation, package includes 20 pcs tablet holders Feature: 1. High quality mounting hardware. 2. Shelf Bracket L Shaped Shelf Brackets for Mounting Shelves Furniture Cabinet. 3. Providing flexibility for a variety of indoor scenes. A perfect choice for bookshelf, exhibition stand, garden shelf, external wall brackets and bathroom shelf, etc. Specifications: Material: zinc alloy Height: 22mm / 0.86' Width: 14mm / 0.55' Mounting hole diameter: 6mm / 0.23' Suction cup diameter: 13mm / 0.51' Package includes: 20 x Glass Shelf Brackets< /p> Notes: 1. Please allow 1-2mm error due to manual measurement. 2. Light shooting and different displays may cause the color of the actual item in the picture a little different.