Floor ProtectionThese 2-inch casters are designed to safeguard your floors. Made with thick polyurethane encased in an acrylic center, they're safe for hardwood, laminate, tile, slate, and other hard surfaces, rolling smoothly and quietly without leaving marks or scratches Heavy-Duty CastersThis set of 4 transparent furniture casters can support up to 200kg (440lbs). With a wheel diameter of 2 inches, top plate dimensions of 2.36 x 2.36 inches, and an installation height of 3.8 inches, they're suitable for various applications Flexible and SecureThe swivel casters rotate 360 degrees, allowing for easy transportation of light furniture and quiet, safe display. These workbench wheels are perfect for securing with brakes, making them both flexible and safe for any project Versatile UseThese heavy-duty casters with brakes are ideal for a wide range of applications, including wooden crates, shopping carts, hand trucks, workbenches, furniture parts, and certain equipment Complete PackageThe set includes 4 universal 2-inch crystal wheels, 15 screws, and 1 screwdriver, providing everything needed for easy installation and immediate use Specifications: Material: steel + PU Wheel diameter: 50mm Installation height: 73mm Base plate size: 36*36mm Package included: 4 x Wheel 15 x Screw 1 x Screwdriver