4Kg

Wheel coated with heavy duty solid rubber (Soft Elastic), very high operational comfort, low-noise operation, very good floor preservation, non-marking, very good chemical connection with the rim. Rim of high quality, impact-resistant nylon. Hub on roller bearings. Heavy duty castor in zinc-chromium plated pressed steel turning on double rim of balls in temperate thrust bearings. Assembled with self-locking nut and plastic dust protection.