Made of hardened steel with an asymmetrical diamond-shaped chain pattern. This enhances the grip of the wheel on snow or icy surfaces. Strong 9 mm high and square connectors. The asymmetrical diamond-shaped chain pattern prevents the vehicle from slipping, especially during cornering. Quick installation, no need to drive. Compatible with ABS and ESP. Two-stage chain tensioning - should be tightened immediately after installation and after several meters of driving. Usable on both sides of the front and rear axles in vehicles with ABS and ESP. TÜV certification, approved according to ö-Norm 5117. Chains are packaged in plastic packaging. The kit includes two chains for two drive wheels.