FIN GEAR Tech Shuttle Swivel Mount is designed to add to your FIN GEAR Tech Shuttle and use all year round. The Tech Shuttle Swivel Mount is used to secure your FIN GEAR Tech Shuttle on your boat rail or track system. Mounts to the bottom of your FIN GEAR Tech Shuttle and then creates a secure position in your boat. Easy 360 degree turning adjustment with lift and turn locking base. 3" Tall