These bed rails attach to your headboard and footboard which continue to provide support for your bed. These bed rails will attach to bolt-on type headboards and footboard. The bed rails feature very sturdy construction. The side rails measure 1-1/2" x 1-1/2" (vertically) x 76" long x 12 gauge. They also feature a black finish. These rails are quality made with pride in the United States under strict quality control guidelines. Features: Versatile: Twin and Full Size. Rail Length: 76". Included Bolt-On Headboard & Footboard Brackets. Sturdy Construction: 1.5" x 1.5" x 76" x 12 gauge side rails. Quality Made In the United States. Please inquire should you have any questions or concerns.