This Cast aluminum double-duty rod holder base Fits Excel, G3, Lowe, Lund, Ranger, Xpress, War Eagle, Smoker Craft, Aweld, PolarKraft, and more. It will accept either 1/2 or 3/8 Right-hand threaded rod holders and includes the mounting hardware to attach it to the boat’s track rail. It also includes an easy installation with 5/16″ x 1″ Universal T-Bolts.