The adjustable brackets are designed specifically for mounting a light bar or led light to a bar or pipe used on UTV or four-wheeler racks and cages. Please specify your bar diameter 1", 1-1/2, and 2". If a special size is need that is not listed, please describe what is need and we will construct. Please allow a 2-week build time for special order sizes. These brackets are adjustable to accommodate any bracket angle.