Garelick Standard Series Seat Slide and Swivel Features Provides smooth fore and aft travel and 360 seat rotation Adds comfort and stability for any swivel boat seat Mounts underneath seat and on top of pedestal stanchion Compatible with any 2 787cm diameter tube Convenient handles provide solid locking at any position Meets ABYC-H31, Type A Standards Garelick performance standards Anodized aluminum for added protection from saltwater corrosion and weathering Includes retaining hardware 99300 t