Tyre saving blocks help prevent flat spots or damage to car, caravan or motorhome tyres whilst they are stationary for prolonged periods of time, such as over winter. Maximum weight capacity 5 Tonne per pair. Saves installing winter storage wheels. Increased stability, as wheels cannot easily be moved in either direction without deliberate intent to do so. Features & Benefits:Tyre saving blocks help prevent flat spots or damage to car, caravan or motorhome tyres whilst they are stationary for prolonged periods of time, such as over winter.205mm Wide surface and broad arc will accommodate most standard diameter tyres.Maximum weight capacity 5 Tonne per pair.Saves installing winter storage wheels.Increased stability, as wheels cannot easily be moved in either direction without deliberate intent to do so.Dimensions (W x D x H): 495 x 215 x 60mm.Model No. TS05 Specifications: Model No TS05 Brand: Sealey Capacity Pair: 5 Tonne Dimensions (W x D x H): 495 x 215 x 60mm