2-3/8? Post Mount With Bushing For Snug Fit. Made Of High-Strength Aluminum. Large 7-1/4? x 13? Seat Mounting Platform, Travels 5-1/4? Forward And Backward On Self Lubricating Pads. Rotates 360?, Adds 1-1/4? To Height Of Pedestal. Centrally Located Locking Handle, Easy To Reach With Left Or Right Hand.
