The Brew City Live Sonar Pole Mount Rail Bottom #000-1002 offers a reliable and adaptable mounting solution for anglers who use live sonar systems on boats equipped with rail mounts. Made to attach directly to the Brew City CT360 Base #1005 (sold separately), this rail bottom provides a stable and secure base for your live sonar pole setup. The included plastic sleeve allows it to fit snugly on 7/8-inch rails, while it also mounts cleanly to 1-inch rails without the insert. This durable component ensures a tight, non-slip connection, helping anglers maintain accurate sonar positioning while trolling or scanning for fish. Part #: 000-1002 Compatible with CT360 Base #1005 (not included) for rail-mounted sonar setups Fits 7/8 in. and 1 in. rails; use plastic sleeve for 7/8 in. applications Provides a stable, secure base for Brew City Live Sonar Pole Mount systems