TrailFX Hard Tri-Fold Tonneau Cover Black Aluminum w/ Carpet Panels Model TFX3704TrailFX Hard Tri Fold Tonneau Cover Black Aluminum w Carpet Panels Model TFX3704 When it comes to your truck or SUV, you want quality, style, protection, and durability at a price you can afford. Our Hard Folding Tri Fold Cover is all self contained, with no side rails to install. J style cam lever clamps are integrated into the cover Non Lockable Three Panel, Solid Surface Design Three Riding Positions: Closed, 2 3 Open Or Full Bed Access Mounts