Description Our steel galvanized ball bearing swivel is designed for smooth and silent movement. The zinc-plated steel ball components ensure durability and resistance to corrosion, making it ideal for various furniture applications. Its universal design allows for easy installation and versatile use in different settings, providing a seamless and efficient way for your mobility needs. Features -Color:silver -Material:Carbonsteelgalvanized, nylon -Size:5.00X3.60X2.00cm/1.97X1.41X0.79in -Material: made of steel with zinc plating, significantly enhancing load bearing capacity, ideal for heavy duty equipment mobility -Smooth rolling: Carbonsteel ball design ensures smooth rolling, reducing wear and extending the lifespan of the product -360 degree rotation: optimized bull's eye structure allows for 360 degree free rotation, easily handling complex terrains -Durable: zinc plating treatment enhances corrosion resistance, suitable for various indoor and outdoor environments, preventing rust -Easy installation: precision manufacturing process ensures easy installation, quick disassembly, and effortless maintenancePackage list: 4pcs Caster Ball Rollers