For Silverado/Sierra GMT900 Pair of Telescopic Extended Arm Rear View Manual Folding Towing Side Mirror (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 Manually Adjustment / Non-Powdered Mirror Extends by Telescoping 1 X Pair of Mirrors (Left &amp; Right) 07-13 Chevy Silverado 1500/1500HD/2500HD 07-14 Chevy Silverado 3500/3500HD 07-13 Chevy Suburban 1500/2500 07-13 GMC Sierra 1500/1500HD/2500/2500HD 07-14 GMC Sierra 3500/3500HD 07-13 GMC Yukon/Yukon XL 1500/ Yukon XL 2500 07-13 Chevy Avalanche 07-13 Chevy Tahoe 07-13 Cadillac Escalade For all above models - Do not fit 2007 Classic models and 2014 New Body Style models Do not fit all models above with power folding mirror function Manually Adjustment / Non-Powdered Mirror Extends by Telescoping Reinforcement Brackets Are Used For Preventing Vibration During Driving <span class="a-text-bold">Strong Practicability </span>- Towing mirrors are equipped 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 mirrors to 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.