Made of pressed high-quality, chromium-nickel stainless steel (Material No. 1.4301/AISI 304), with double ball bearing in the swivel head, strong central kingpin. The special Blickle dynamic riveting process of the swivel head results in smooth rolling characteristics, increased service life and the swivel head play is set specifically for high temperature applications. For environments with strict regulations on cleanliness, hygiene and temperature resistance, the swivel head is supplied without grease (‘-OF-) as standard. All parts such as balls, central kingpin and axle material are corrosion-resistant. Bolted wheel axle. Vibration-ground finished. Made of highly heat-resistant silicone rubber, very high operational comfort, low-noise operation, highly elastic, very good floor preservation, high abrasion resistance, characteristics that do not degrade over time, vulcanised on the wheel center.