Steel heavy duty adjustable roofing bracket, attaches to the our pump jack system to offer a sturdy, flat surface to stand on while roofing or working at heights, durable all steel construction with an adjustable 6" or 10" platform, designed to be used with 2? x 6? or 10" planks, bracket allows for easy installation & removal without damaging shingles, compliant with osha regulations, recommended to use at least on bracket per every 8' of spacing.