Protect and secure your equipment for the long haul with Buyers Products Smooth Aluminum Underbody Truck Box with Barn Door. Each professional grade box is crafted with.100 inch thick smooth aluminum to create a storage solution that's lightweight but extremely durable. The reinforced continuous hinge combines with the built-in rain gutter and D-bulb door seal to help protect your tools from weather and grime. The 3-point locking, die cast compression latch system provides a tight seal and helps deter theft.