For Chevy Silverado/GMC Sierra GMT800 Pair of Powered + Heated Manual Extended Arm Towing Side Mirrors (Black) Towing / Camper Style Mirror Assembly! Not Only Cover! Reinforcement Brackets Are Used For Preventing Vibration During Driving Make It Easier To Monitor The Rear Side View For Your Trailer Or Camper Powered Adjustment Mirrors / Heating Element to Defrost Mirrors Extends by Telescoping / Manual Folding Mirror 1 X Pair of Mirrors (Left &amp; Right) Hardware as Shown 99-02 Chevy Silverado 1500 2500 3500 00-02 Chevy Tahoe 00-02 Chevy Suburban 1500 2500 99-02 GMC Sierra 1500 2500 3500 00-02 GMC Yukon Powered Adjustment Mirrors Reinforcement Brackets Are Used For Preventing Vibration During Driving Heating Element to Defrost Mirrors 100% Brand New Professional Installation is Highly Recommended Installation Instruction is NOT Included <span class="a-text-bold">StrongPracticability</span>- Towing mirrors areequipped for manual or remote vertical and horizontal adjustment so as to provide appropriate coverage to drivers of differing height and seated position.The mirror glass may also be electrically heated and may include electrochromic dimming to reduce glare to the driver from the headlamps of the following vehicles. <span class="a-text-bold">Style Accommodation</span> - Use this type of towing mirrorsto enhance the look and feel of your vehicle and to provide more lessons. <span class="a-text-bold">Finer replacement </span>- The mirror features must be an exact match with your original factory mirror in order to install and operate correctly.