The Brew City Extension Plate #000-1008 is precision drilled and tapped to fit seamlessly with the CT360 base, providing a secure connection when mounting to boats equipped with wide gunnels. Designed specifically for use with sport tracks, this 4x6-inch plate includes four screws for easy attachment to your sport track mounting plate. Part #: 000-1008 Extension plate for the CT360 base (#1005, sku:249412) and pole mount (not included) Drilled and tapped to easily fit the base Used with sport tracks on boats with wide gunnels Dimensions: 4 x 6 in. Package includes extension plate and 4 screws