The Air Line Box - Single Trailer Harness Connector Hole is a practical and durable solution for your trailer lighting needs. Made of stainless steel and featuring 14 gauge brackets, this box is built to last. It has light holes for up to 10 lights (not included), with the option to add six 2" lights with bezels. The hassle-free installation and secure mounting to frame rails make it a great choice for most makes and models. Please note that the back plate is not included and each box is sold separately.