SAVE YOUR EFFORT AND RELIEVE YOUR BACK: Do you push or carry your furniture? Take the strain off your back and save energy by installing these new casters to move heavy loads. Find out how easily and effortlessly you can move your furniture. RELIABLE HEAVY DUTY FURNITURE CASTORS (SET OF 4): The furniture casters are made from premium materials, strong and stable design, making them the toughest in their class. The swivel wheels can rotate 360 degrees smoothly and quietly. FLEXIBILITY AND SAFETY: Polyurethane (PU) heavy-duty castors combine the elasticity of rubber wheels with the sturdiness and durability of metal wheels. Castors with brakes are suitable for all types of floors. The load bearing capacity is 600kg (150Kg per wheel). ENJOY SMOOTH AND QUIET ROLLS: GBL furniture casters feature internal bearings that provide smooth rolling, with a smooth surface that prevents hair, crumbs and grit from getting stuck. The set consists of 4 wheels with brake + 16 screws and nuts (30mm x