Available in extension lengths from 8-13 from wall (extensions more than 1'-6 steel cable - cable included)Structure is supported by 1/4 steel cable extending diagonally from the wall to the upper tubing using two cable clamps per attachmentCompatible with all Spalding backboards and height adjustersFour 2 square cross braces and extension tubesPipe ends have 1/4" heavy-duty flange for attaching to wall boards and backboardsFive-year warranty