The Brew City Base Assembly anchors your LiveScope or ActiveTarget setup with solid stability and versatile mounting options tailored to your boat layout. Ideal for walleye, bass, and crappie anglers using live sonar to track fish movement, this system includes multiple base configurations for the way you fish. Part #1005 mounts directly to the gunnel and pairs with several Brew City accessories, including parts 000-1002, 000-1006, 1002, 2000, and 3000, or a sport track mount. Part #1004 offers a rail base for 7/8- or 1-inch rails using a plastic insert for smaller diameters, perfect for adding secondary mounting locations without drilling. Part #1006 slides into any 3' track system (Cisco, Berts, Cannon, or Trax Tech) and secures your transducer pole with a 3" x 5.5" plate for precision sonar scanning across changing depths and structures. Part #1004 fits 7/8 in. or 1 in. rails using a plastic sleeve insert Designed to be used for additional mounting location Cross shaft or pole not included Part #1005 mounts directly to gunnel and supports multiple Brew City components including: 000-1002, 000-1006, 1002, 2000, 3000, or a sport track mount Part #1006 is a base mounted on a 3"x 5.5" plate that slides into any 3" track system Compatible with with Cisco, Berts, Cannon or Trax Tech tracks Cross shaft or pole not included This item is intended for use with the Brew City CT360 Pole Mount