Marino Ware 5/8 in. x 10 ft. Metal J-Channel Corner Bead

Metal J- Channel Corner Bead is a strong, reveal-type galvanized steel casing. It provides maximum corrosion protection and neat finished edges to drywall terminations around door and window openings. It also delivers a clean trim line at intersections or where gypsum panels abut dissimilar surfaces such as columns and window mullions.