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.
Smooth electroplated grant an elegant yet strong and durable experience. SUPO is proud to place its name on the caster, so you don't have to face typo brand like MESTER or MATTER anymore. Quality is also better than other China's ones. 6 months warranty.