Springfield Marine Trac-Lock III Non-Locking Seat Swivel & Seat SlideThe Springfield Trac-Lock III Non-Locking Seat Swivel & Seat Slide features self-lubricated pads that provide a smooth and easy glide. Made of high strength aluminum with a large 7-1/4" x 13" platform. The powder coat finish helps prevent corrosion in marine environments. Able to travel 5-1/4" forward and backward with fingertip control. Offers 360 rotation and fits 2-7/8" posts.Features: Fits 2-7/8" posts; Large 7-1/4" x 13" platform; Powder coat; High strength aluminum; Moves 5-1/4" forward/backward; Self-lubricated pads; 360 rotation; Warranty: 5 Years