Springfield Heavy Duty 6 Boat Seat Slide This heavy duty duty boat seat slide by Springfield Marine is able to travel 6 either fore or aft. Constructed from high-strength anodized aluminum for a long service life in marine environments. This mount includes both a top and bottom mounting plate. Features TopBottom Mounting Plate Center Handle Heavy-Duty Rails 5 Year Warranty Anodized Aluminum Construction California Residents WARNING Cancer and Reproductive Harm - P65Warnings.ca.gov Other Details