RAM Mount 3.68" Round Base w/1.5 Ball [RAM-240U] Brand_YakGear Clamps are not included and

Clamps are not included and use thread sealant on all threads

Airmar's new wide beam format also creates crisper and larger return images on the display

No alcohol and non-flammable

The modular system fits rails from 7/8" to 1" at any height or angle

RAM Mount 3.68" Round Base w/1.5 Ball [RAM-240U] Brand_YakGear Clamps are not included andRAM 3. 68" Diameter Base w Ball The (RAM 240U), marine grade aluminum base, consists of a 1. 5" diameter rubber ball connected to a flat 3. 68" diameter base. This base has pre drilled holes that connects to RAM Tough Dock Powered Docking Stations. Material: Powder Coated Marine Grade Aluminum Ball Size: 1. 5" Rubber Ball Size Note: The "U" in the part number reflects product packaged in poly bag.