The BG Racing 301 Turn Plates are made from lightweight aluminium. These can be used to measure castor, camber or kingpin inclination angles. The turnplates are ideal to on top of your scales pad. The Turn Plates feature ball bearings to enable free floating movement and ensure they do not bind, allowing for 25 degrees of rotation. The laser etched dial can be zeroed when a vehicle is on the Turn Plates. Were used towards end of 2022 season then stppped rallying so just left in cupboard !! Were an essential bit of kit for setup