The Air Line Box - Single Trailer Harness Connector Hole is a practical and durable solution for your trailer needs. Made of stainless steel and featuring 14 gauge brackets, this product is built to last. With a hassle-free installation process that requires no drilling, it mounts securely to frame rails and fits most makes and models. Please note that the back plate is not included. Sold individually, this product is a reliable choice for anyone in need of a single trailer harness connector hole.