The Trailer Service Box With Two 4 Inch Light Holes is a practical and versatile solution for truck owners. Made of mirror shine stainless steel, this service box includes mounting brackets and two 4 inch light holes. It can be conveniently mounted behind the cab or sleeper, seated on the frame of the truck. With its universal fit, this service box is compatible with most makes and models. Its durable construction and included features make it a reliable and functional addition to any truck.