Heavy Duty AMPS Drill CAR Wall Mount Garmin Montana Holder Satellite Radio Video Camera Bracket 4 Hold AMPS Connection (Compatible 25mm / 1" Ball Head Mounting) Brand New in ChargerCity NO FUZZ NO MESS Packaging Features a 4 inch pedestal arm with AMPS 4 hole connection Compatible with devices having the 4 Hole AMPS pattern, including vehicle specific mounts, cameras, GPS, and satellite radios (Compatible with 1" inch /25mm & Proclip Mount AMPS mounting) Low vibration 4 Hole AMPS mounting pedestal base attaches to solid flat surfaces Compatible with Garmin Montana 600 610 650 680 Monterra Zumo 340 350 390 400 500 550 590 660 665 GPS (AMPS hole pattern connection)