Fabricated Steel Sprung Loaded Fixed Castor Top Plate Fixing 150mm 65 Shore A Black High Elastic Natural Rubber Tyred Wheel With Aluminium Centre Ball Journal Bearings Fitted With A 200kg Black Rubber Spring But Load Capacity Is 200kg At 4Kph And 140kg At 10Kph Reach Compliant Also Pah-Free Rubber To Confirm To Eu-Directive 2005/69/Ec