Features 1、Soft Rubber Casters: Casters made of synthetic soft rubber, with precise craftsmanship, quiet and shock proof, and do not damage the floor. 2、Bottom Plate Chrome: The overall surface of the bottom plate is chrome plated, which can effectively prevent rust and corrosion, and improve product life. 3、Securely Fixed: The roller rivets are thickened and reinforced, which will not spread out, and are firm and stable, so that the casters can carry more weight. 4、High Speed Rotation: The technical improvement of the axes allows the roller to rotate at a high speed and also has the function of anti skid and mute. 5、Labor Saving: These 4PCS casters can help you carry heavy objects, which can save a lot of effort by rotating and improve transportation efficiency. Specification Item Type: Heavy Duty Plate Casters Diameter: Approx. 5cm / 2in Bottom Plate Size: Approx. 4.6 x 3.95cm / 1.8 x 1.6in Material: Synthetic rubber, stainless steel Package List 4 x Heavy Duty Plate Caster