RKI Underbody Truck Box 48x18x18 H-Series Aluminum Model # H481818A Chevy Express Van Accessories _x000D_ _x000D_ Material: Steel

_x000D_ _x000D_ Material: Steel

The 1702710 Buyers Underbody Box is one of the best underbody truck boxes for your money

2 cu ft 2018-2018 GMC Sierra 1500 56 in

Side Mount Tool Box Fitment 3813-005

RKI Underbody Truck Box 48x18x18 H-Series Aluminum Model # H481818A Chevy Express Van Accessories _x000D_ _x000D_ Material: SteelRKI Underbody Truck Box 48x18x18 H Series Aluminum Model # H481818A . 100 bright diamond treadplate aluminum construction. Horizontally hinged doors are constructed of . 100 bright diamond treadplate aluminum with an inner stiffener of . 080 smooth aluminum. Welds are full arc welds, no spot welds. Door is attached to the hull of the box with stainless steel pillow block type hinges with self lubricating bushings and 5 16 stainless steel hinge pins.