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Wheel made of high-quality reaction-injected polyurethane-elastomer Extrathane®, low-noise operation, low rolling resistance, very good floor preservation, very high abrasion resistance, high cut and tear propagation resistance, non-marking, non-standing, very good chemical connection with the rim. Rim made of rugged cast iron. Hub on shielded ball bearings.

Wheel coated with heavy duty solid rubber (Soft Elastic), very high operational comfort, low-noise operation, very good floor preservation. Rim of die-cast aluminum. Hub on shielded ball bearings with central spacer.

Wheel made of high-quality, impact-resistant nylon, very low rolling and swivel resistance, smooth running performance on even floor, high abrasion resistance. Hub on ball bearings with central spacer.

Wheel coated with polyurethane round tread, low-noise operation, low rolling resistance, good floor preservation, high abrasion resistance, high cut and tear propagation resistance, non-marking, very good chemical connection with the rim. Rim of die-cast aluminum. Hub on shielded ball bearings with central spacer.

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 mechanical cast iron. Hub on shielded ball bearings with central spacer. Extra heavy duty castor pressed and welded steel, turning on thrust and tapered bearings. Assembled with self-locking nut and plastic dust protection. With 4 positions directional lock.

Wheel coated with polyurethane, low-noise operation, low rolling resistance, good floor preservation, high abrasion resistance, high cut and tear propagation resistance, non-marking, very good chemical connection with the rim. Rim of mechanical cast iron. Hub on shielded ball bearings with central spacer.