Light duty fixed castor with top plate fitting, Wheel with thermoplastic rubber tread, with polypropylene wheel centreBracket: Made of pressed steel. Bolted wheel axle. Zinc-plated, blue-passivated, Cr6-free.Wheels: Tyre & running tread: Made of thermoplastic rubber elastomer (TPE), contains traces of oil. Color: grey, Shore: 85° Shore AChemical resistance to many aggressive substances, except oils. Operating temperature: -25° C to +80° C. At ambient temperatures above +60° C the load capacity is reduced. Maintenance-free under standard conditions. The tread contains traces of oil. On absorbent surfaces this can cause some staining. As an alternative, we recommend the wheels of the VPA, VGA or PATH series.