There are FIVE drilling holes on the upright plate, which make it more compatible bolting on different sizes of bed margins.You could choose our C-Clamp (ASIN:B0789DDLBJ) for which No Drilling Required
The rack features a tested loading capacity of 800 lbs.It is powder coated in the color of black
The top section is built with Two "T" sleeve bars plus Middle Cross Bar. The Double-barred Middle section won't easily dent or bend, making it even stronger than a one-barred design
The extendable feature allows compatibility with Truck-bed Widths ranging from 51" to 71".
The rope hook on the side of all four uprights provides the security for tying the tools or loads