The Bosch MicroEdge wiper blade is designed for dependable wiping performance. This blade incorporates a fully enclosed metal tension spring and a specially blended, precision-cut natural rubber wiping element that delivers premium wiping performance and crystal-clear visibility for safer driving. MicroEdge blades are built with an aerodynamic, all-steel frame that feature clipped joints to reduce noise, plus an exclusive zinc dichromate primer for corrosion resistance. The QuietGlide micro-finish on the wiping edge reduces friction and noise. And with the exclusive, pre-mounted QuickClip adapter, MicroEdge wiper blades install quickly and easily.