Ball Mount F/Helix 7 1.5" Ball

RAM Round Base Ball Mount for Humminbird Helix Units are made of powder coated marine grade aluminum with a double socket arm that pivots to any position and a round base with AMPS hole pattern. The arm is equipped with a turn-knob that holds the ball sockets in place when closed and allows them to be removed for storage. They are made of high strength composite materials.