Vision Saver blades ensure smooth wiping and streak-free performance from the special moly coated natural rubber element. An extended life is provided by a Vision Saver s round hinge squeegee design. Vision Saver blades perform at high-speed and windy driving conditions due to the patented aerodynamic wiper frames. Other blades will lose contact with the windshield surface resulting in poor wiping performance. Protection from rusting, chipping, and corrosion comes from both galvanized steel frames are a double coating of paint.