Driveway Markers - Mighty Marker Mount - Ten (10) Pack in Orange For the Quick, Easy and Secure installation of Driveway Markers. Integrated 360 degree reflector. The Mighty Marker Mount is visible from over 100 yards away. Designed to work with a variety of commonly available driveway markers. With 39X more striking area than the average fiberglass driveway marker, installation is a breeze. Built-in, gripping channels, ensure a secure and firm fit.