The Bosch 3397001488 Twin SP 4 is a high-quality 400mm (16 inch) wiper blade, engineered for superior wiping performance and durability. Featuring a robust metal bracket system and dual rubber technology, this genuine Bosch blade ensures consistent contact with the windshield, providing clear visibility in all weather conditions. The integrated spoiler design enhances aerodynamic efficiency, preventing lift-off at high speeds. It is a reliable aftermarket solution for various vehicle applications.