These heavy duty rubber castors have 100mm non marking elastic blue rubber wheel. Ideal as flight case wheels, these castors have overall height of 128mm, load capacity 160kgs per caster wheel and 4 x M8 Bolt Fixing Plate. These swivel castors are made of a zinc plated housing which ensures the castors is robust enough and suitable for a variety of environments. The castors, with the non marking blue rubber wheel, are suitable for trolleys, equipment and general purposes. The non marking blue rubber wheel with roller bearings means the castor is quiet to move, will not mark the floor and will carry significant loads of 160kgs each per caster wheel.