Snow traction system is designed to give improved steering and braking control on snow and ice, when fitted to front wheels. Easy-fit design, manufactured from high quality hardened galvanised steel, the chains are supplied in a tough vinyl carry bag for storage when not in use. Suitable for fitment to front 17" - 20" wheels only. Applicable to 235/70 R17, 255/60 R18, 255/55 R19, 255/50 R20 wheel and tyre sizes. Fit to front axle only.