Optimum leveling ease occurs at 50% of 4 casters total capacity.; Patent protected anti-vibration axles, ratcheting mechanisms and hardened steel raceway sleeve.; Cast aluminum body with a powder coat finish in ivory.
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.