SPECIFICATIONS -Bracket Material : Zinc Alloy -Shelf Material : 8MM-Thick Tempered Glass -Screws: SUS304 Stainless Steel, rustproof -Bracket Finish : Brushed nickel -Installation Method : Wall-mounted Package Includes Glass Shelf x 1 Bracket x 2 Screws and anchors EXTRA-THICK (0.3 INCH) TEMPERED GLASS (CLEAR) - Safe use & kid-friendly. When broken, it crumbles into small granular chunks instead of splintering into jagged shards as plate glass does, less likely to cause injury. Brackets are constructed of zinc alloy ensuring durability and dependability. Dimensions: The mounting distance between two brackets is suggested to be 220 mm, not exceeding 330 mm. The distance from brackets to the wall is about 5 mm, enable the cables of electric toothbrush to pass through. Max load: 11 lbs for screw mounting on solid concrete wall. ALL HARDWARE & INSTRUCTIONS INCLUDED: You can find detailed installation instructions from product pictures. You can contact for step by step guide if you need any help. 8MM- thick tempered glass, rust proof metal bracket (zinc alloy) and wall-mounting 304 stainless steel CONCEALED screws are all included, no need to purchase extra hardware.