Trac-Lock III Seat Bracket

2-3/8 in Post Mount With Bushing For Snug Fit. Made Of High-Strength Aluminum. Large 7-1/4 in x 13 in Seat Mounting Platform, Travels 5-1/4 in Forward And Backward On Self Lubricating Pads. Rotates 360°, Adds 1-1/4 in To Height Of Pedestal. Centrally Loca