4 heavy-duty casters 150mm swivel casters with brakes, 360° rotating transport casters with heavy-duty top plate solid rubber wheels made of non-slip polychloride load capacity 1000kg (2 swivel casters 2 brake casters).

"SIZE AND HIGH LOAD: Wheel diameter: 6 inches (actually 6.3 inches), Wheel width (1.9 inches), Overall height (from the top of the thread): 7.6 inches, Load capacity per wheel: (550 lbs), Maximum weight capacity: 2200 lbs 360-DEGREE ROTATABLE: 4 heavy-duty casters with 360-degree swivel capability and convenient grease nipple - allowing you to easily maneuver, push, pull, or transport extremely heavy objects with minimal resistance and optimal efficiency INDUSTRIAL FULL RUBBER WHEEL: 6-inch swivel casters have a full rubber structure, are wear-resistant, low-noise, and suitable for all types of terrain. The iron core, made of high-strength iron, provides additional strength. With double ball bearings for energy-saving operation and low friction coefficient FLOOR PROTECTION: Transport casters with dual braking system can stop the wheels and brakes by pressing the brake pedal to protect floors and carpets from scratches or dents caused by heavy objects. 2 Terrain Swivel Casters (Brake Wheels), 2 Terrain Swivel Casters (All-Terrain Caster Wheel), all 360-degree swivel. Includes mounting screws and nuts WIDELY USED: The heavy-duty casters are smooth and silent, lasting long in daily use. Suitable for most standard wooden carts or trolleys, furniture, wooden furniture, tool boxes, light machinery. Suitable for many types of floors such as home, shops, schools"