This 125mm swivel castors is 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 200kgs per caster wheel. Blue Rubber Castor Non Marking Elasticated 125mm 4541022