BOSCH Aero Twin Plus Multiclip flat blade 450mm maximum performance Universal Flat wiper blades> customized to a vehicle's windshield and to the adapter on the wiper arm incorporates power protection Plus - an innovative wiper rubber technology with a patented coating> Optimizes wiper performance throughout the service life of the wiper - without leaving streaks or deposits on the windscreen of the vehicle> makes the wiper element lip incredibly robust and resistant, as well as increasing its service life> Reduces the friction of the material to a minimum> graphite coating with double Micro edge fitting instructions included on packaging for all wiper blades.