Ventev's Universal Pole Mount Kit fits 18" x 16" polycarbonate enclosures. Flexible for mounting enclosures onto a 12" diameter or less pole._x000D_  _x000D_  Includes two adjustable straps to mount up to a 12" diameter pole (round, square or any other odd shape) and two mounting flanges that attach to the Ventev enclosure. Hardware to attach the flanges to the enclosure is included.