The Air Line Box is a practical and hassle-free solution for connecting double trailer harnesses without the need for drilling. Made with stainless steel and 14 gauge brackets, it ensures durability and secure mounting to frame rails. With (6) 2" round beehive light holes and a choice of bezels, "B" or "H", it offers versatility and customization. The box does not include a back plate, making installation even easier. Its practical design and easy installation make it a reliable choice for any trailer setup.