A space-saving addition to your metalworking tools! One side of the double action head produces 1/16in. offset flanges for clean welding with little grinding. The other side produces perfectly clean 5mm dia. holes, ideal for plub welding. Unique swivel-head design lets you work from almost any angle. Use on metal up to 14 gauge. Requires 4 cfm at 90 p.s.i.. Imported.