Heavy-duty, angled steel rack rails pre-tapped for standard 10/32″-diameter rack screws. Ideal for custom rack cases. Sold in pairs. Measuring 1/8″ thick, this all-steel RRF rack rail is threaded for 10/32″-diameter rack screws. With full hole spacing, they are sold in pairs and designed for use with 19-1/8″-wide rough openings. Durable black powder coat finish. Used by many professional rack and road case manufacturers.