Feature:1. Universal caster, built‑in precise bearings can provide rolling, rotation and sliding.2. Suitable for moving objects, widely used in storage cabinets, bookshelves, cribs, office chairs, etc.3. It has good load-carrying capacity, keeps quiet when the wheels move, and has low noise.4. Use high‑quality PU plastic material, durable, wear‑resistant, and long service life.5. With omni‑directional motion, can rotate 360 degrees, with brake function, easy to use.How to Use:2021-04-16 11:41:18Specification:Item Type: CasterMaterial: PU Plastic Weight: Approx. 145g / 5.1ozHeight: Approx. 64mm / 2.5inWheel Diameter: Approx. 39mm / 1.5inFeatures: With brake functionScope of Application: Furniture such as cabinets, bookshelves, cribs, etc. 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.