Fits gunwale or square rail 2" or wider. For use with rod holders, downriggers, fish finder mount, cockpit barbecues, cockpit tables, and more. The gear lock mounting hole accommodates 2-in-1 Rod Holder and Mini Rigger stems, as well as standard 9/16" hex head bolt.
• Mounts flush or with stem up
• Pre-drilled with four holes for 1/4" screws