Caster wheels: suitable for indoor and outdoor, widely used in trolleys, furniture, shelves, workbench, etc.
Heavy duty casters: each caster can carry 150Lbs, double bearing, strong load capacity
Locking casters: caster bracket is black, not easy to rust, the wheel material is polyurethane, durable, silent, casters with brake
No noise casters: silent, no traces, easy to push, beautiful
Casters set of 4: flat bottom with double brakes, strong safety, one box of four, matching screws, iron washers and screwdrivers, 4 pack casters