The rails are made of thick heavy duty aircraft aluminum. The black anodized outer coating is for scratch, wear and UV resistance. The rails are mounted on the top of your truck box with c-clamps that clamp down at a more secure position preventing rail movement. The rails also have a non skid weather seal to significantly decrease movement and unwanted leaks in your truck bed.

The X frame is sturdy and reliable in the wind. It's constructed out of black anodized aircraft aluminum making it heavy duty & scratch resistant.

Did you know that the cab and box are independently mounted? So when a rolled up tonneau cover that is mounted to the box leans against your cab it will rub and scratch your pickup. Finally, this industry issue as been addressed. No more having your tonneau cover rub on the paint of your cab or scratching your window. These tarps stops solve this issue.

The topper frame neatly folds down next to the inner sides of the box for optimal clearance.

This fabric is American made with a leather grain emboss. "American Made" is important because it is more flexible and has the best UV resistance to help the tonneau cover fabric retain its durability even in the harshest conditions.

Suspended sling keeps topper protected in pickup box.

The topper is stowed in an approximate 8" x 8" sling that is suspended a foot from the truck bed floor.

Provides a shingle like effect for better water shed.

Slide in velcro makes it easy to refresh your tonneau covers sea

These bows are made from a rigid aluminum alloy. This is needed for supporting the tonneau cover across the truck bed. They are attached with a hook and loop to the tonneau cover so they roll out of the way when rolling tonneau cover open.

Fas-Top securely locks with an easy to use operation action. It is overbuilt to ensure a reliable long lasting lock for your tonneau cover.

These side cargo bags mount directly to the Fas-Top side rails by bolting onto the side rail channel with two bolts. These cargo bags can be mounted anywhere on the side of your truck box.