18x18x24 Inch Black Pro Series Smooth Aluminum Underbody Truck Box Tonneau Covers Rated SAE J595 Class 2

Rated SAE J595 Class 2 with a single flash pattern

Chevy Silverado/GMC Sierra / Ford F150 99-21

with a 12 Ga door

This valve is designed to protect the air brake system so that a leaking accessory component or accessory airline rupture cannot fully drain the air system

18x18x24 Inch Black Pro Series Smooth Aluminum Underbody Truck Box Tonneau Covers Rated SAE J595 Class 2Contractors, utility workers, and maintenance professionals can rely on the Pro Series Smooth Aluminum Underbody Truck Box to help keep secure tools, and keep equipment easy to access. The rigid, extruded box frame and 0. 125 in. thick smooth aluminum looks great and provides reliable protection. A built in rain gutter and automotive bulb seal work with the 3 point locking, die cast compression latch to keep out moisture and grime. Corrosion and