Alise L5000 SUS304 Stainless Steel Solid Bathroom Round Back-to-Back Shower Glass Door Handle Pull Knob 1-1/5 Inch by 1-1/5 Inch,Polished Chrome Product Name: Glass Doorknobs; Material: SUS 304 Stainless Steel Color/Finished: Polished Chrome Glass Thick: Fits 3mm(1/8") to 16mm(5/8") Thick Glass Using Range: Shower Doors, Glass Doors, Office Doors, Sliding Doors Etc. Sturdy and durable;Easy to install