pThe CIPA 11950 Clip-On Towing Mirror was designed to fit large factory trucks and van mirrors. Rubber straps secure the CIPA Towing Mirror to your vehicle s existing mirror and the easy-to-adjust arms fit tightly for a steady vibration-free ride. The CIPA mirror extends your vision further than most OE mirrors can with a total extension of seven inches. The CIPA Towing Mirror will not obstruct your vehicle s existing viewing area. It works on the driver side or the passenger side of your vehicle. The CIPA 11950 Clip-On Towing Mirror is excellent for temporary or light towing needs. For added convenience no tools are required for installation. With a 5quot; x 7.5quot; mirror face this CIPA mirror makes towing easier./p