RAM 2.5″ Round Base (AMPs Hole Pattern) & Mounting Hardware for the Raymarine? Dragonfly?

The RAM-B-202U-RYM1 consists of a 1″ diameter rubber ball connected to a flat 2.5″ diameter base. The base has pre-drilled holes, including the universal AMPs hole pattern. Included are (3 quantity) (#8-32 x 3/4″ PH PD Mach Screws) and (3 quantity) (#8-32 SS Nylock Nuts) that will connect the RAM-B-202U-RYM1 to the bottom of all Raymarine? Dragonfly? Sonar/GPS devices.