Kayak Track made from corrosion proof reinforced premium nylon; Durable and corrosion proof. Hardware included. Low profile nylon kayak rail track; Both sides load design allows for quick and easy setup of all your fishing rod holders and accessories. Track mount works great when adding paddle holders, rod holders and other accessories to your kayak. Each track comes with stainless steel self threading screws for easy flush mounted on the kayak. Product dimensions -(6 inch)-1.7” wide x 0.39” tall x 7.4” long. (9 inch)-1.7” wide x 0.39” tall x 10.4” long. (12 inch)--1.7” wide x 0.39” tall x 13.3” long. Kayak Track made from corrosion proof reinforced premium nylon; Hardware included.Low profile nylon kayak rail track; Both sides load design allows for quick and easy setup of all your fishing rod holders and accessories.Track mount works great when adding paddle holders, rod holders and other accessories to your kayak.