Driveway Markers - Mighty Marker Mount - Five (5) Pack in Green For the Quick, Easy and Secure installation of Driveway Markers. Designed to work with a variety of commonly available driveway markers. Built-in, gripping channels, ensure a secure and firm fit. Integrated 360 degree reflector. The Mighty Marker Mount is visible from over 100 yards away. With 39X more striking area than the average fiberglass driveway marker, installation is a breeze.