RAM Mount 6.25" x 2" Universal Electronics Base w/1.5" Ball [RAM-111BU] Marine Navigation & Instruments | NMEA Cables & Sensors The base has pre-drilled holes

The base has pre-drilled holes

Rule-A-Matic® Float Switch

Silverado 3500HD (2007-2013)

Water Pressure

RAM Mount 6.25" x 2" Universal Electronics Base w/1.5" Ball [RAM-111BU] Marine Navigation & Instruments | NMEA Cables & Sensors The base has pre-drilled holesRAM 6. 25" x 2" Universal Electronics Base with 1. 5" Ball The RAM 111BU consists of a 1. 5" diameter rubber ball connected at right angles to a flat 6. 25 x 2" rectangular plate. The plate contains different combinations of pre drilled holes which will match up to many electronic devices and mounts, including Marine GPS, CB Radios, Ham Radios, Gimbal Brackets and more. Material: Powder Coated Marine Grade Aluminum Ball Size: 1. 5" Rubber Ball Size