100mm Polyurethane tyre Wheel using an aluminium centre is fitted into an extra robust Fabricated Best Plate Mounted Castor with 80x60mm bolt hole centres. The load capability of this castor is 600kg at 4km/hThis higher functionality castor is fitted with a top quality Polyurethane tyre Wheel with the aluminium centre https://heavydutycastors64185.blog2learn.com/58082347/not-known-factual-statements-about-heavy-duty-castors