Southwark WSJ60310 - 60" Joint, 3 1/4" X 10" Wall StackFeatures: Hot Dipped Galvanized Steel per ASTM A653 CS Type B 30 Gauge 12", 24", 30", 60" and 100" lengths available Standard opening sizes available: 2 1/4" X 10", 2 1/4" X 12", 2 1/4" X 14", 3 1/4" X 8", 3 1/4" X 10", 3 1/4" X 12", 3 1/4" X 14" Button snaplock Stack s-cleat is attached Two pieces per joint section No tools and no indentations, just snap to close 10 per carton