Featuring a robust construction, the steel galvanized ball bearing swivel offers reliable performance and longevity. The carbon steel ball bearings provide a smooth and quiet operation, good for furniture that requires frequent movement. This versatile accessory enhances the functionality of your furniture, ensuring effortless maneuverability and stability. Features -Color: silver -Material:Carbon steel galvanized, nylon -Size:5.00X3.60X2.00cm/1.97X1.41X0.79in - construction: constructed from steel with zinc plating, providing strength and durability for heavy duty applications -Effortless movement: equipped with carbon steel balls for smooth and effortless movement, minimizing friction and wear -Full rotation: the bull's allows for full 360 degree rotation, making it easy to navigate through tight spaces and uneven surfaces - : zinc plating offers excellent protection against rust and corrosion, making it suitable for both indoor and outdoor use -User friendly: designed for easy installation and removal, ensuring easy maintenance and longterm reliability Package list: 4pcs Caster Ball Rollers