No

Wheel coated with polyurethane, low-noise operation, low rolling resistance, good floor preservation, high abrasion resistance, high cut and tear propagation resistance and non-marking, very good chemical connection with the rim. Rim of Nylon 6. Hub on ball bearing. 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.

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. Medium duty castor in zinc-chromium plated pressed steel.

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. Medium duty castor in zinc-chromium plated pressed steel turning on double rim of balls.

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. Medium duty castor in zinc-chromium plated pressed steel turning on double rim of balls. Assembled with self-locking nut and plastic dust protection.

Wheel made from thermoplastic elastomer tyre (TPE), low-noise operation, good floor preservation, high abrasion resistance, non-marking. Rim from Nylon 6 and plastic thread guards. Hub on solid ball bearing. Medium duty castor in zinc-chromium plated pressed steel turning on double rim of balls.