KingPin™ Power-Rise Stand-Up Threaded Pin – 1-PackFeatures:Adjustable Height To Be Used As A Seat Or Leaning PostRotates 360°, Adjusts From 22-1\/2″ To 29-1\/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.