This cantilever adder lets you easily create a row of off-the-ground storage for long, heavy materials like pipe, extrusions and building materials. This model includes one 15' double-sided upright, 54" straight arms and 84"W bracing. You can use additional arms for extra storage density (as long as the upright capacity is observed). We can offer other sizes and capacities. Just contact us for help with specifying the right cantilever system.