KingPin™ Power-Rise Stand-Up Package Threaded PinFeatures:Threaded Power-Rise Stand-Up Post (1633013)Quik-Tilt Seat Mount (1615254-EC)Gray, Pro Stand-Up Seat (1040213)Adjusts From 23-1\/2″ To 30-1\/2″Use With Threaded KingPin™ Base (sold separately)Rated ABYC Class H-31 B (Fishing Only) WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.