Unisturt's PA318 Heavy-Duty Prime Angle can be used to create a wide variety of custom shelves, racks and equipment suppors. Perma-Green finish. Dimensions: 1-5/8" x 3-1/8" x 12'. 14 gauge. 12' lengths can be cut in half for easier shipping. Includes serrated nuts & bolts when ordering a full bundle (120' or 10 pieces).