The AP012 Single T-Slot to 4-Hole AMPS Adapter allows Single T-Tab pedestals and mounts to be mounted to flat surfaces, such as walls or car dashboards and consoles. This adapter measures 2" tall x 1.69" wide. Mount it horizontally or vertically onto any flat surface or onto a satellite radio or other device with a 4-Hole AMPS mounting pattern. This adapter provides a quick-release function for those wanting to attach and remove their devices frequently. The adapter can also be used with vehicle-specific mounts, including those offered by ProClip and Pro.Fit.