The DOYLE™ 10 in. Professional Rivet Nut Setter makes it easy to insert load-bearing threaded rivet nuts in thin gauge materials such as sheet metal, panels, tubes and extrusions as well as castings and housings. The specialized sliding head exerts consistent leverage to expand the rivet nut flange. The easy-to-change mandrel unit comes with mandrels and nosepieces for SAE and metric rivet nuts.