RAM® Ball Adapter with 1/2" NPT Hole and Tightening Knob RAM-261-1U and the other end of

and the other end of this mount will connect to either a second Swing Arm with 4" Bolt RAM-109-1A or RAM-109-1ATU or a Rectangular Pivoting Plate RAM-111BT

56" end to end with 2

The RAM-B-108-40U consists of a medium length B size arm with a rectangular plate with universal AMPS hole pattern and a strap clamp base that is suitable for rails from 1" to 3" in diameter

For any professional on the go this is the tool to keep you organized at home

marine-grade aluminum Humminbird Helix 7 mount consists of a medium length double socket arm

RAM® Ball Adapter with 1/2" NPT Hole and Tightening Knob RAM-261-1U and the other end ofThe RAM 330U consists of a 1. 5" Diameter Ball, attached to a clamp base with hole for 1 2" NPT pipes.