New model of twin wheels caster with central locking . And main feature as below l Hardware stamping support l Precision ball bearing on swivel l Wheel size: Ø125mm and Ø150mm l Riveted Axle l Quiet,smooth and positive brake performance l Lock cam: 30 degree and 45 degree l Washable version is available l Anti-magnetic version is available We also develop Enforce version central locking casters can load 180kg each,and winding preventing. www.casterwheelsco.com ; sales@casterwheelsco.com any question please contact us freely.