CIPAs custom towing mirrors slide over your existing mirrors to give you added towing vision and no tools are required for installation. They leave no marks or holes on your vehicle. These custom towing mirrors are designed to fit the vehicle mirror perfectly and give you a mirror face of approx. 5 inch tall x 4.25 inch wide. This mirror fits the contour style mirror only. It will NOT fit over mirrors with turn signals that are integrated into the mirror housing or STX style mirrors. Fits: 1997 - 2002 Ford Expedition SUVs, 2004 Ford F150 Heritage Trucks, Most 1997 - 2004 Ford F-150/F-250 Light Duty Trucks, 1997 - 1999 Ford F-250 Trucks, 1997 - 2002 Lincoln Navigator SUVs. Also, it will NOT fit 2004 pickups with the new body style (See Mfg part #800). *(Please call if you have questions about a specific fit). 1 per package. Right Hand or Passengers side mirror.