Polyurethane Tyre, Nylon Polyamide Hub, Medium Duty, Series INOX 20. Plate Fixing castors. Quiet and easy running under heavy loads. Resistant to corrosion, abrasion and shocks. Manufactured from hygienic materials. Tyre hardness 95±3 Shore A Polyurethane tyre Stainless steel roller bearings Operating Temperature -30°C to +80°C Stainless steel forks Wheel series A