Superior Compatibility - The mounting plate features 20 pre-drilled holes to match a variety of electronic devices and mounts such as marine fishfinders and GPS chartplotters, gimbal brackets, CB radios, Ham radios and more. Perfectly compatible with 1 inch / B size / 25 mm arm systems from manufacturers such as RAM Mounts, Arkon, iBolt and others (complimentary 4 sets of 316 marine grade stainless steel machine screws and lock nuts).
Designed for Marine Environment - Constructed from Marine-Grade Powder-Coated Aluminum and tested for thousands of hours in salt spray to ensure reliability and stability in the harshest environments. 1" Ball Made of Marine-Specific, High-Strength Composite Material, which is more resistant to high salt water corrosion and less prone to deformation than rubber, and provides the same friction as rubber.
Longer Service Life - The ball and mounting plate are Molded in One Piece, rather than screwed together, for longer service life and to ensure the stability of the device. Cast in one piece of aluminum for strength and durability under the impact of waves.

Compatible with Garmin GPSMAP 162, Garmin GPSMAP 168, Garmin GPSMAP 175, Garmin GPSMAP 180, Garmin GPSMAP 180C, Garmin GPSMAP 182, Garmin GPSMAP 185, Garmin GPSMAP 188, Garmin GPSMAP 232, Garmin GPSMAP 238, Garmin Striker 5 Series, Garmin Striker Plus 5cv.