Feature:1. The casters have builtin precise bearings to provide smooth rolling, rotation and sliding.2. It has good loadcarrying capacity, keeps quiet when the wheels move, and has low noise.3. It supports allround movement, can rotate 360 degrees, and has good flexibility and safety.4. Suitable for moving objects, widely used in storage cabinets, bookshelves, cribs, office chairs, etc.5. Use highquality plastic material, durable, wearresistant, and long service life.Specification:Item Type: CasterMaterial: PlasticWeight: Approx. 133g / 4.7ozHeight: Approx. 64mm / 2.5inWheel Diameter: Approx. 39mm / 1.5inScope of Application: Finishing cabinets, bookshelves, cribs Package List:4 x CasterNote:1. Please allow 0‑1 inch error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.