3ft 3in Diesel Disc Wheels. Turned Steel Wheels on 3/16" Steel Axle. Two Rail, Hub Insulated one side only, the other wheel unscrews to allow the fitting of drive gear. Fine Scale Standards. Will run in Roxey Mouldings 7A209 bearings or inside bearings 7A205. Priced per axle (2 wheels) These wheels are now available.