Buyers Products WideOpen Class 8 Step Boxes provide spacious, accessible storage for your semi truck. The lid of each box opens extra wide, allowing you to stow larger items and easily reach your tools and equipment. A universal design fits all major semi truck brands including Peterbilt??, Kenworth??, International??, Freightliner??, Western-Star??, Volvo??, and Mack??. The boxes feature .125 in. thick aluminum construction to handle life on the open road. The design is heavy duty but light weight, making the boxes extremely durable without adding a lot of weight to your tractor trailer. The hinge and hardware are constructed of corrosion-resistant stainless steel. An automotive bulb seal and locking, polished stainless steel T-handle latch keep your tools protected from theft. Replaceable grip strut steps provide superior traction in inclement weather and can be swapped out as they wear down.

Ultra-wide opening lid makes it easy to store and access equipment on your semi truck.

Ultra-wide opening lid makes it easy to store and access equipment on your semi truck.

Universal design fits Peterbilt??, Kenworth??, International??, Freightliner??, Western-Star??, Volvo??, and Mack?? trucks.

Extremely durable 0.125 in. thick aluminum construction.

Corrosion-resistant stainless steel hinge with heavy duty hinge and stainless steel hardware.

Replaceable grip strut steps provide superior traction and can easily swap out as they wear down.

Locking, polished stainless steel T-handle latch keeps your tools protected from theft.

Automotive bulb seal keeps water and dirt out of your box.

Easy to install on your tractor trailer frame rail. For boxes wider than 18 inches, Buyers recommends using 1701015 Steel Mounting Brackets to prevent stress cracks

Made in the USA.