Features:OOTDTY Crafted from rubber and Iron materials, put on resistant and durability. Effectively lower noise and frictions, and maintain indoor quietness and comfort.Strong load bearing capacity, secure and Enduring. You can smoothly and freely function furniture.Seal bearing, low frictional resistance, extremely temperature resistance, extremely speed, low noise, dustproof, antistuck.The heavy duty rubber casters wheel can rotates 360 levels very Smooth.It can extensively utilized in various furniture, equivalent to sofas, bed, tables, cabinets.Specifications:Materials: Rubber and IronStyles: Universals Wheel/Universals Wheel with Brake/2PCS Universals Wheel and 2PCS Universals Wheel with BrakesWheel Thickness: about 1 inchClamp Plate Inner Width: about 16mm/0.63inchOther Size Are Shown in the PicturePackage Includes:4Pcs Universals Wheel/4Pcs Universals Wheel with Brake/2PCS Universals Wheel and 2PCS Universals Wheel with BrakesNote:Please enable 1-2cm mistakes thanks to manual measurement, just be sure you don't intellect before you order. Due to distinction between diversified monitors, the image won't mirror the actual coloration of the item.