• Set of 4 swivel casters, 50 mm in diameter (2 with brake and 2 without brake). • Robust load capacity of up to 350 kg for heavy furniture. • Made of polyurethane that combines elasticity and durability without leaving marks on the floor. • Suitable for all types of surfaces: laminate, wood, tiles, glass, carpets, and concrete. • Includes 16 screws for quick and direct installation. • Smooth and quiet operation with internal bearings that prevent jamming. • Versatile design ideal for carts, shelves, plant stands, and industrial applications.