Arkon XMS 20mm Ball w/ 4-Hole AMPS Aluminum Adapter Plate for 20mm socket mount

RAM Mount 4 Hole AMPS Composite Square Mounting Base with 1" Rubber Ball

Aluminum 4-Hole AMPS Base Mount with 20mm Ball for 20mm Ball Mount Arm

Metal 2-Hole AMPS Base Mount 20mm Ball Compatible with RAM Mount Accessories

Metal 4-Hole AMPS to 25mm (1 inch) Rubber Ball Adapter for Arkon Robust Mount

Arkon Aluminum 20mm Swivel Ball to 4-Hole AMPS Adapter Plate AP20MMAL for HD006

Metal 2-Hole AMPS Base Mount with 20mm 0.787 inches Mounting Ball

Drill Base Dash AMPS Mount with 22mm Ball for Garmin dezl OTR800/810/1000/1010