Constructed with heavy duty .080" Aluminum with expert craftsman hand TIG welded seams; Commercial PRO HD Aluminum Side Bin Boxes install along truck bed rail allowing for full view of the road, convenient storage, and access to tools and equipment. The reinforced and insulated high dome lid featuring an ultra-tight weather proof bulb seal and adjustable J-bolt striker mount is bolted to the box body with a heavy duty aluminum piano-style hinge for unequaled strength and durability - even in the coldest weather. Single-handed operation is a breeze with commercial grade self-rising gas shocks and strong 3 finger double latch, lockable paddle handle to protect valuables. Easy no drill J hook mounting hardware and rubber mat are included.