Fiber-glass Injected Nylon construction, 6061-T6 Aluminum Track, Holds 4 rods/reels, Bungee cords keep your rods safe and secure, Great for Truck, canoes, pontoon Fiber-glass Injected Nylon construction, 6061-T6 Aluminum Track Holds 4 rods/reels, Bungee cords keep your rods safe and secure, Marine aluminum Universal C- Clamp. Clamp opens to a maximum of 2.5 Keeps rods organized for Truck, canoes, pontoon.