Check the listing for details. 8Pcs 25mm Sliding Door Nylon Pulley Furniture Roller Wheels, White Silver. Condition: New. Listed at 16.97 USD. Specifications:Color: White, Silver ToneMaterial: Nylon, Carbon SteelHole Diameter: 5mm/0.19"Hole Distance: 61mm/ 2.4"Wheel Diameter: 25mm / 0.98''Size: 75mm x12mm x 29mm / 2.95'' x 0.47'' x 1.14''(L*W*H)Package Content: 8pcs x Sliding Door Window PulleyDescription:[Material]: The wheel is made of nylon, and the shell is made of carbon steel, which is worn resistant, anti-corrosion, rust-proof, and not easy to bend or deform.[Design]: The nylon wheel can roll smoothly and quietly, it is not only without harsh noise but also will not scratch the floor.[Features]: This window pulley is a practical and delicate replacement part for furniture. It has a high bearing capacity, and 360 degrees full display beautiful appearance.