Our 24" long extended Aluminum Floor Mount is to be used with Devices that have a AMPS hole pattern on the back. (A square like hole pattern) The Device Mounting Adapter accommodates the AMPS hole pattern in both landscape and portrait. It can be drilled into solid, flat surfaces, such as walls, tables, and workbenches. The mount is compatible with devices having a 4-Hole AMPS pattern, including cameras, GPS devices, or satellite radios. The AMPS pattern consists of four holes located in a rectangular pattern spaced at 30.17mm x 38.05mm (measured as the center-to-center distance between holes). This tough mounting pedestal is also ideal for mobile radio holders, housings, and other devices used by public safety, construction, and utility applications. This package includes only the Heavy-Duty 4-Hole AMPS Mounting Pedestal with 4-Hole AMPS Head (like Garmin Garmin Ruggged Mount, inReach)x . This tough, low-vibration pedestal measures 6.5 inches high and is made of a combination of plastic and glass fiber. It features an AMPS drill mount base as well as an AMPS head. The arm of the pedestal swivels on both the top and the bottom, providing 360-degree rotation and the ultimate flexibility in positioning the device at any angle. (COMPATIBLE WITH Arkon, Ram, PROCLIP, Garmin 010-12982-02 Powered Magnetic Mount , ICOM IC 207 703 706 2730 2800 7000 Yaesu FT 867 7100 7800 8800 8900 7900 857 & All other AMPS 4 Hole or 2 Hole Connection mounting accessory)