Designer Series Sleeve Over Robe Hook

4 FINISHES: Polished Chrome, Polished Nickel, Brushed Nickel and Oil Rubbed Bronze. The solid brass Designer Series Sleeve-Over Robe Hook mounts on the top of 5/16"" to 1/2"" (8 to 12 mm) glass without the need for drilling or notching the glass. It can be positioned anywhere you want along the top of the glass, and is secured in place by tightening a nylon-tipped Allen set screw. Clear gaskets are included.