RAM Drill Down Diamond Base 1" Ball Mount for Humminbird Piranha + More Pro 610 3" Twist-Lock suction cup base

3" Twist-Lock suction cup base with diamond base and 1" ball - Suction cup provides a strong hold on glass and non-porous plastic surfaces including a dash disk*

Simple to remove the upper portion of mount when not in use with the turn of one knob

218" mounting holes

RAM custom form-fit cradle for the Garmin Montana units listed below -  Full access to all ports

RAM Drill Down Diamond Base 1" Ball Mount for Humminbird Piranha + More Pro 610 3" Twist-Lock suction cup baseFeatures: Diamond base measuring 2. 43" x 1. 31" that contains two holes 1. 912" from center to center and 1" rubber ball Standard size (medium) double socket arm with overall length: 3. 69"; socket to socket: 3" Connecting base for Humminbird Eagle Lowrance with 1" ball RAM ball and socket system with easy adjustment for your best viewing position Constructed of powder coated marine grade aluminum Overall height if fully straight: 5" Holds up to 2