Fit System K-Source 3791 Standard Universal Clip-On Towing Mirror

Extra large clip-on Towing Mirror fits mirrors 4 1/2" to 11 1/2" high. Extra large size clip-on towing mirror. No tools to install, easily clips on to your existing mirror increasing your field of view while towing. Will not block vision of your existing mirror. Patented mounting bracket will fit most mirrors to 11 1/2" in height. Fits most vehicle applications. Adjustable rubber straps keep mirror in place and reduce vibration.