Springfield 2-3/8" Trac-Lock Non-Locking Seat Mount For Taper-Lock, Plug-In, Thread-Lock Series or 2-3/8" Series

2-3/8" Seat swivel rotates 360A and automatically locks in the straight forward position. Locking handle model: just pull upward, allows pedestal swivel to lock from right or left and provide flat or 3 degree angled seat mount.