The "alca®" wiper blades offer a long service life thanks to their corrosion-resistant, fully galvanized steel frame. Even pressure distribution on the windshield is ensured by the stainless steel spring. The wiper rubber is particularly flexible and durable thanks to the NANO coating. The wiping performance of the rubber has been confirmed by the Detroit Testing Laboratory, Inc. U.S.A. and remains streak-free even after 1,500,000 movements. Convince yourself of the quality and reliability of "alca®" wiper blades - classic, safe and affordable!