RAM Mount Knob w/Lock & 5/16"-18 Brass Hole - C-Size [RAM-KNOB5LU] Marine Hardware target separation and clarity of

target separation and clarity of the sonar images of fish and structure that pass below and to the sides of your boat

3/4" and 1-1/8" Full Port Fittings Included

The portrait OP50 is perfectly suited to mounting in the arm of a helm chair

A80593 - 2 x Data Interface Cables

RAM Mount Knob w/Lock & 5/16"-18 Brass Hole - C-Size [RAM-KNOB5LU] Marine Hardware target separation and clarity ofKnob w Lock & 5 16" 18 Brass Hole C Size The RAM locking knob, includes a brass 5 16" 18 thread, for 1. 5" socket arms; this allowing you to disengage the screwing of the knob. Once you have set your mount in the location you need, you can lock it in place and feel safe that your mounted device will stay right where you left it. Material: Powder Coated Marine Grade Aluminum Ball Size: 1. 5" Rubber Ball Size Note: The "U" in the part number reflects