Bosch Super Plus SP21/18S Wiper Blade Twin Pack 21"/18" 530mm/450mm (3397010281) Achieve effective windscreen cleaning, enhanced safety, and lasting durability with the Bosch Super Plus Spoiler wiper blades set. Featuring an aerodynamic design, these wiper blades minimize lifting and vibrations, ensuring superior performance and driver comfort, even at higher speeds. The natural rubber blade with a graphite coating guarantees smooth operation and outstanding cleaning efficiency. The pre-assembled Quick-Clip universal adapter ensures quick and easy installation on vehicles with hook-type wiper arms. Key Features and Benefits: Aerodynamic Symmetric Spoiler: Reduces wind resistance and vibrations, ensuring superior performance and comfort at high speeds. Dual-Rubber Technology with Graphite Coating: Provides exceptional cleaning power and a seamless, smooth wiping action. High-Tech Spring Strip: Ensures even pressure distribution for consistent cleaning and optimal visibility. Wear-Resistant Micro Double-Edge Rubber: Extends service life for long-term reliability and performance. Robust Full-Metal Frame with Double-Corrosion Protection: Ensures durability and safety in extreme weather conditions. Quick-Clip Universal Adapter: Facilitates fast, simple installation on vehicles with hook-type wiper arms. The Bosch Super Plus Spoiler wiper blades set is engineered for high performance, offering reliability, ease of use, and a clear view for a safer driving experience.