Aluminum 20mm Swivel Ball to 4-Hole AMPS Adapter

AP20MMAL is a versatile adapter that allows you to convert a 20mm ball pattern pedestal into one that is 4-Hole AMPS compatible (holders sold separately). This includes only the 20mm Swivel Ball to AMPS Adapter. (Mounts, holders, and devices sold separately.) This sturdy aluminum adapter features a 20mm ball that is specifically designed to work with Arkon's Heavy-Duty Mounting Pedestals, including the Multi-Angle Drill-Base Mounting Pedestal with 8" Adjustable Arm (HD006), Heavy-Duty Clamp Mounting Pedestal with 10" Adjustable Arm (HD004), or Heavy-Duty Seat Rail Mounting Pedestal with 22" Adjustable Arm (HD001).