KES SUS304 Stainless Steel Bathroom Glass Shelf Wall Mount with Towel Bar and Rail Brushed Finish, A2225DG-2 Material : SUS 304 Stainless Steel, <span class="a-text-bold">RUSTPROOF</span> Glass: Tougened/Tempered Glass, 7mm-Thick Finish : Brushed Finish Max. Load: 10 KG Length: 19 5/8 Inch<br> Depth: 5 15/16Inch<br> Height: 6 13/16Inch<br> Toughened GlassorTempered Glass Glass Thickness:7mm or 1/4 Inch Toughened glass is physically and thermally stronger than regular glass.When broken, tempered glasscrumble into small granular chunks. Drillhole size for screw :1/8 Inch Drillhole size for anchor : 7/32 Inch