Description:Material: The wheels for furnishings are made from high quality rubber and metal, making certain stable performance of durability, and security .360 Degree Casters: workbench casters geared up with 360 diploma swivel brackets, the wheel can turn in any direction. Move the workbench, table, cabinet, and gear to the destination extra smoothly and flexibly .Silent: Soft rubber swivel casters have the characteristics of slip resistance, silence, and surprise absorption, which might circulate smoothly .Wide Application: The caster wheels are extensively used for office chairs, coffee tables, plant stands, bookshelves, shoe bins, toy bins, browsing carts, workbench, and so on .Easy to Install: with set up hole, But now not adding Mounting Screws? .Specification:Material: Rubber, MetalColor: SilverPackage Includes:4x Casters WheelsNote:Please enable barely mistakes because of manual measurement and diverse monitors.