Pneumatic tire absorbs chock on uneven floor by cushion of compressed air. Absolutely recommended for hospital, resort, hospital, labs, outdoor, etc. However, price is steep: 2 - 3 times higher than the domestic solid rubber one.
CNC-machined precision raceways and precision tapered secondary load bearings combine to make the casters rugged and easy swiveling. With PU tread wheel, the casters will create less noise and help protect your surface.