LakeSport SWIVL - EZE 2 3/8" Locking Seat Mount. All LakeSport hardware is designed to meet or exceed ABYC standards! SWIVL-EZE products lead the industry. Type A/O- Approved for use at the helm / driver position; Made from aluminum; Friction control; 3 degrees tilt; Installed height is 5/8". Order Yours Today! LakeSport SWIVL-EZE 2 3/8" Locking Seat Mount