50 mm Caster Wheels Set of 4 Heavy Duty Casters with Brake No Noise Locking Swivel Plate Castors Non Marking Black Castor Wheels for Cart Furniture Workbench

[High Quality] - Premium material selection guarantees high product quality. High strength steel, strong ball bearings and double locking provide maximum 270kg capacity and safety.
[Smoother & Quieter] - Premium swivel bearings allow the casters to rotate 360 degrees smoothly, quickly and silently. Suitable for all types of floors, move without worrying about disturbing others.
[Dual Brakes & Swivel] - Each wheel has dual brakes. The brake locks the wheel and rotates at the same time, effectively ensuring the safety of use. Easy to switch between fixed wheels and movable wheels.
[Wide Applications] - They are suitable for various indoor and outdoor scenes. Indoor scenes including: Instrument Cases, Display / Exhibition Equipment, Tool Boxes, Light Machinery, Furniture etc. When used outdoors, roller with dust cover and smooth internal bearing surface is not easy be stuck by crumbs, hair and sand.