RELIABLE HEAVY DUTY FURNITURE CASTORS (SET OF 4): GBL furniture casters are made from premium materials, strong and stable design, making them the strongest in their class. The swivel wheels can rotate 360 degrees smoothly and quietly. The load capacity is 40kg (10kg per wheel) DO NOT LEAVE MARKS ON THE FLOOR: Polyurethane (PU) heavy duty castors combine the elasticity of rubber wheels with the sturdiness and durability of metal wheels. GBL casters with brakes are suitable for all types of floors. ENJOY THE SMOOTH AND QUIET ROLLS: GBL furniture casters have internal bearings that allow smooth rolling, with a smooth surface that prevents hairs, crumbs and grit from becoming encrusted. The set consists of 4 heavy duty furniture casters without brake + 16 screws (D4mm × L16mm). VERSATILE AND EASY TO INSTALL: You can easily install the GBL heavy duty casters. They can be used in homes, schools, garages, stores, businesses and hospitals. Casters are used to move pallets, coffee tables,