Autodrive 21" premium beam wiper blade. - Aerodynamic spoiler reduces noise and wind lift.- Easy to install - pre-installed with J-hook adapter and contains multi-adapter for J Hooks, Bayonet, Side Pin Lock, Top Lock Push Button and Pinch Tab wiper arms.- Optimized for snow and ice- Durable beam structure provides even pressure for ultimate windshield contact and streak-free wiping- Unique Ingredient Technology for a clean and quiet wipe- Includes one wiper blade- Available in a variety of sizes