You could pay hundreds of dollars for an after-market towing mirror, and go through the hassle of having a dealer install it. Or, you can buy a clip-on mirror for a fraction of the cost, and installation is easy! The most convenient towing mirrors ever made! This pair of snap-on towing mirrors has been engineered to conform to the factory model style. Just snap the towing mirror to your Dodge Ram (2002-2009) OEM factory mirror, and you instantly have the ability to see farther behind you, as well as increased peripheral angles. Removal is just as easy as installation, so you can install and remove whenever you desire. Unit dimensions: 4.5"W x 6.5"H.