4 Pack Casters All with Lock Brake -- The brake can stop the wheel moving and stop the top plate swiveling simultaneously, dual lock is effective to prevent the device from moving, ensuring the safety of people and goods at any time and at any angle. | Heavy Duty Construction and Material -- The support frame and top plate are made of high quality steel. With double ball bearing for each wheel, moving smooth, the load capacity for each casters is more than 400lbs, and it's up to 1500lbs for 4pcs caster wheels. | 360 Degree Rotate Swivel Casters -- Transform the mating equipment to any directions in the most efficient and labor-saving way, our caster wheels are the best accessories for the heavy furniture, desktop, table, cabinet or trolley. | Quiet Rubber Base Wheels -- Silent and no noise rolling, so don't worry to disturb others when moving your devices. And our casters is safe for all floors, won’t scratch or mark your floor, please feel free to use on hardwood, tile, carpet, laminate, bamboo, and more floor. | Widely Used -- The casters can be used in both industrial and residential applications, for coffee table, plant stands, bookshelves, shoe bins, toy bins, shopping carts, workbench, warehouse or supermarket shelves, they can be installed to most devices if you want.