This tough mount is also ideal for mobile radio holders, housings, and other devices used by public safety, construction, agriculture, and utility applications. This package includes only the heavy-duty mounting pedestal with metal 4-Hole AMPS drill base and head. Switch out the Robust shaft arm's knob with the included 40mm Socket Head and Zinc Nut to deter theft. This mount (Robust shaft with adapters) measures approximately 5.4 inches high from end to end, and the mount shaft is made of composite. The arm of the pedestal swivels on both the top and the bottom, providing double 360-degree rotation and the ultimate flexibility in positioning the device at any angle.