Includes 4 casters (2 casters with brakes and 2 without). Rotate 360 degrees. Smooth & Silent & Sturdy. The total locking brake locks both the wheel and the swivel simultaneously
Loading capacity: 20-25kg each wheel and 80-90kg for four wheels
4" Diameter PU Wheel. Polyurethane (PU) wheels offer the elasticity of rubber wheels combined with the toughness and durability of metal wheels. Safe for all floor types
Wide range of uses: commonly used in both industrial and residential applications such as workbenches, tool carts, tool chest, shopping carts, cabinets, bookshelves, coffee table and other movable furniture, etc...