Michelin Flat Wiper Blades have a high-carbon steel strip and graphite coated natural rubber for smooth, silent and streak-free wiping in all weather. Check your vehicle's wiper size and arm type before ordering. Driver and passenger side blades are often different sizes. This blade fits U-hook wiper arms. Key Features - High-carbon steel strip for even pressure - Graphite coated natural rubber - Smooth, silent and streak-free wiping - All-weather use - Tested for 500,000 wipe cycles How to Use 1. Lift the wiper arm away from the windshield. 2. Press the release tab and slide the old blade off the U-hook. 3. Slide the new blade onto the hook until it clicks. 4. Lower the arm gently back onto the glass. Specifications - Blade Length: 21 inch and 19 inch - Pack Quantity: 2 - Type: Flat (frameless) wiper blade - Fitment: U-hook arm - Brand: Michelin In the Box 2 x Michelin Flat Wiper Blades: 1 x 21 inch and 1 x 19 inch Warranty This product is not covered by a warranty.