Description: Ideal replacement or in new construction of chairs, prams, racks, storage containers, carts, machines and more. Special design, rolling smoothly and quietly Soft surface contact, protecting your floor from scratches Strong bearing capacity, equiped with brake on each caster, safer and more stable The plate is made of high quality alloy, solid and durable Specification: Material: PU, Zinc Alloy Size: - Wheel Diameter: Approx.51mm/2.01 inch - Overall Height: Approx.70mm/2.76 inch - Plate Size (L*W): Approx.47*47mm/1.85*1.85 inch - Distance Between Holes: Approx.34mm/1.34 inch Color: Black Package Includes: 1 Piece Wheel