Our unique design of Bracket Bar are built to strengthen the existing basic truck rack style which rear bar for flexible rotating installation fixed. Each two of the Bracket Bar are jointed with 6 / 4 Grade 8 Carriage Bolts; adding a total of TEN Carriage Bolts built on each upright poles

The package also comes with two of the One-Piece Handrail which provides the “Grab and Hop” convenience of getting on the truck bed. The middle of two side bars increases two welded steel plates to enhance brace to even load distribution

It features the extendable top Cross-bar which can be adjusted for different sizes bed width. The adjustable range covers inner bed width from Min. 51'' Max.71''. The height is 30.5'' to the clearance and 28'' to the cross bar. Fits 5.0'~8.0' bed

Both the Over-cab Extension Bar & Side Bars are Adjustable in Length; offering a wide range of fitment (Width & Length) for different Trucks Models. Side Bar Extension Length Adjustable: 55.2''~98.6''; Over Cab. Extension Width Adjustable: 45''~56.3''; Over-Cab Extension Length: 55"

This unit is finished with black baking paint, can prevent rapid rust and corrosion resistance. The rear bar can be rotated to open on one side, adopts the D-type fast pin is installed and fixed, quickly installed and easily unloaded

This unit bolts on the rail of your bed, it fits most trucks as long as you don't mind doing bolting. Again, Bolting means DRILLING HOLES on your truck, please STOP proceeding if you don't intend to make holes on your car.

It also has the C-Clamp to choose which No Drilling Required.

The P39-MC/RC Series are optional upgrade kit for X39 Series truck rack.

1.P39-MC: This upgrade is single middle Cross-Bar set add-on for the X39 Series.

2.P39-RC: This upgrade is essentially a removable rear bar set for the X39 Series.

The extension top bars fit all the full size or Semi truck beds. Top Bar Extension: Min: 41" Max: 61" Product Height: 30.5" to the top, 28" to the top cross bar.

The quick-open rear bar can be rotated to fixed on the side Cross-Bar which easier and faster loading of goods.

The upright plate is a flat L-shape base which has FIVE drilling holes for flexible installation, and you only pick two that fits your truck; and yes, we provide all bolts and nuts in the hardware package for installation.

As of now, some compatibilities cases we have heard are:

1. Some tool boxes, camper shells & Tonneau covers will affect the installation of this unit.

2. Bed rail top made of fiberglass instead of metal for some rare truck models like F-150 super-cab, customers complaint it not sturdy for heavy-duty purpose after making holes.

3. There are track system installed on the inner bed-wall which blocked our mounting plates.

4. Bed width is too small for the minimum extension of 51".

The products is weight-tested as shown in the listing pictures.