The Keyboard Mount is designed to be used with the ProClip 3 Way Heavy Duty Swivel Mount with AMPS hole pattern. The Keyboard Mount integrates with a ProClip Tablet Holder to create a keyboard tray for the device in a vehicle. Adjustable keyboard tray with AMPS holes for various keyboards. Can be used with most ProClip tablet holders. Multiple AMPS hole patterns and VESA 75 & 100 for easy mounting.