Two-wheel design, smooth operation, heavy-duty casters that can rotate 360 degrees. Ideal for light to medium-duty furniture or transporting goods, it protects floors from scratches and scuffs. Rated load: 120 kg (30 kg each); 4 casters with brakes, easy to install, the fixed plate and the wheel are locked simultaneously when braking. The casters have the elasticity of rubber wheels and the toughness and durability of metal wheels. They are suitable for carpets, tiles, PVC, and other non-sensitive floors. Mobile casters can be used in homes, schools, garages, shops, trolleys, and hospitals. Perfect casters for office chairs, sofas, beds, trolleys, and carts.