Wise 8WD73 33" Long Sure Mount Seat Bracket allows Side to Side Seat Movement with 27" of Travel. Constructed of Extruded Polished Aluminum. Simply Mount "L" Shaped Bracket along Leading Edge of Seat Tank, Mount Seat Plate to Bottom of Seat with or without Swivel, then mount safety bracket to fit under Seat Mount. Seat will slide side to side within the Grooved channel. Mounting Hardware Included.