RAM Mount Square Post Clamp Base 4" Wide w/1.5" Ball [RAM-247U-4] Marine Navigation & Instruments | AIS Systems start with the base rack

start with the base rack

Ventilation hose (not included) twists into the bottom of the box to form a raised water barrier

Mount it on a large variety of Shakespeare® mounts with a 1”-14 thread*

16-14 Gauge - 1/4" Heat Shrink Ring Terminal - 25-Pack

UPC: 035514328517

RAM Mount Square Post Clamp Base 4" Wide w/1.5" Ball [RAM-247U-4] Marine Navigation & Instruments | AIS Systems start with the base rackSquare Post Clamp Base 4" Wide with 1. 5" Ball The RAM 247U 4 is a clamp base with 1. 5" rubber ball that will connect to rails up to 4" maximum in width. Features: Material: Powder Coated Marine Grade Aluminum Ball Size: C Size 1. 5" Rubber Ball Note: The "U" in the part number reflects product packaged in poly bag. Weight: 1. 17 lbs.