The CIPA Clip-On Towing Mirror is designed to fit large factory truck and van mirrors. Rubber straps secure the Clip-On Towing Mirror to your vehicle's existing mirror, and easy-to-adjust arms fit tightly for a steady vibration-free ride. The Clip-On Towing Mirror extends your vision further than any OE mirror ever could with a total extension of 7". This mirror will not obstruct your vehicle's existing viewing area. The Clip-On Towing Mirror has a 5" x 7.5" mirror face that widens visibility, in addition to your factory mirror, for peace of mind while towing. The Clip-On Towing Mirror is not position specific, so it can accommodate the driver side or the passenger side of your vehicle. It will fit up to a 10" mirror. Installation is simple and no tools are required. The Clip-On Towing Mirror is perfect for temporary or light towing needs. It is not recommended to be used as a full-time heavy-duty towing solution. For best results, remove the towing mirror when not in use and store in a cool dry place.• Universal application fits left or right side• Clips onto existing mirror for quick setup• Extends your towing vision up to 7"• Fits large and uniquely shaped mirrors Extends your towing vision with a total extension of 7"" Will not obstruct your vehicle's existing viewing area 5"" x 7.5"" mirror face widens visibility | CIPA 11950 Clip-On Universal Towing Mirror, Each