Arkon CMPHD003 Heavy-Duty Drill-Base Camera Mount with 22" Adjustable Arm (sku 41242)Arkon's CMPHD003 Heavy Duty Aluminum Drill Base Mount with 22'' Adjustable Arm is designed for installations where mounting a camera to a wall or other surface (including car floors) is desired. This mount includes Arkon's Heavy Duty Aluminum Mount with 22'' Arm and 4 Hole AMPS Drill Base. The mount base uses a 4 Hole AMPS pattern to attach to the wall (screws are included) or other surface. (Formerly an industry standard, the 4 Hole AMPS pattern