Willpak Industries 8061 ABS Low Profile Design Truck Rear Window Louver for Ford F-150 Fits: 1997-2003 Ford F-150 These classic, custom-fitted, C-pillar louvers are thermoformed from a durable black ABS material and are easily installed; no drilling required All their products are manufactured to ensure the customer satisfaction of quality products with styling designed for fit and finish, second to none Install simply by placing over the existing glass with the supplied 3M double sided automotive-grade tape; on their own, or matched with their rear window louver (sold separately) Installation and attachment is now easier, and less invasive than ever; sliding window