6" DuraTech adjustable wall strap that secures the chimney pipe to a wall or framing and keeps the run straight and stable. The adjustable design lets you fit it to the spacing between the pipe and the mounting surface. Use it with 6" DuraTech pipe and follow the DuraTech installation instructions for support spacing. Always confirm the pipe size, approved components and clearances in your fireplace, stove or chimney installation manual before ordering. Special order.