Bosch Micro Edge Wiper Blades are designed for dependable wiping performance. Every blade incorporates a fully-enclosed metal tension spring and a precision cut natural rubber wiping element. That means premium wiping performance and crystal clear visibility for safer driving. And the exclusive Bosch DirectConnect one-step system makes installation quick and easy. Product Features:Exclusive fully-enclosed metal tension spring creates a more direct pressure to the wiping edge for improved moisture removalOne-step installation system for easy installation with no adapters required for over 90% of vehicle applicationsZinc coated steel frame, with two layers of powder coating to protect against UV, chemicals and corrosionHeavy gauge, robust steel frame design for reliable and long lasting performanceQuiet glide micro-finish wiping edge provides clean and quiet operation