WHY DO I NEED Towing Hitch Towing Mirrors: trailer side mirror designed to extend outwards,allow drivers who are towing a trailer to see as far back as possible,outside rearview mirrors helping to eliminate blind spots,ensuring a safer towing experience
FIT-1:1999-2006 for Chevy Silverado/for GMC Sierra 1500,1999-2004 for Chevy Silverado/GMC Sierra 2500,2001-2006 for Chevy Silverado 2500 HD/3500/Tahoe/GMC Sierra 2500 HD/3500/Yukon/Yukon XL Denali,2000-2006 for Chevy Suburban 1500/2500/GMC Yukon XL 2500
FIT-2: 2002-2006 for Chevy Avalanche 1500/2500,2001-2003 for Chevy Silverado/for GMC Sierra 1500 HD,2005-2007 for Chevy Silverado/for GMC Sierra 1500 HD,2007 for Chevy Silverado/for GMC Sierra 1500/2500 HD
REFUSE VIBRATION:stable triangular design to ensure a seamless fit;Bracket of the outside rear view mirrors are made of reinforcement material,prevent vibration when driving(you'll get a driver left side towing mirror+a passenger right side towing mirror)
TELESCOPING & FOLDING: the trailer tow mirrors can be manually extended to help you identify vehicles and surroundings that might be in a blind spot; and the automotive exterior mirrors are manual foldable for avoiding crashes,Improves visibility