_x000D_ 2 Single Wheel and 2 Double Wheel Sliding Rollers Zinc Alloy Shower Door Casters Glass Doors Windows Runners Wheels Hardware Kit _x000D_ _x000D_ _x000D_ _x000D_ Set Include : 4Pcs Shower Door Rollers _x000D_ Condition : New _x000D_ Material : Zinc Alloy + Stainless Steel _x000D_ _x000D_ Features : _x000D_ 4Pcs Zinc Alloy Sliding Roller Track Door Wheel. _x000D_ Made of high quality material, wear-resisting, safe, sturdy and durable. _x000D_ Fire proof, rust proof, perfectly protect your materials from scratches or damage. _x000D_ The rollers will not make any noise when it glides on the track, quiet and stable. _x000D_ Ideal for sliding glass door, window and bathroom door, easy and convenient to install. _x000D_ _x000D_ Size : _x000D_ Wheel Diameter: 23mm/25mm(0.9/1.0 inch), Wheel thickness: 6mm(0.24 inch), Suitable for the 4-6mm/0.15-0.23 inch glass _x000D_ _x000D_ Friendly Tips: The size is measured by hands, please allow minor error of measurement. Photo color might be a little different from the actual product due to color display of different monitors. _x000D_