Low Profile Angle Palm Mini Series 5 inch Extensive Shaft 3 inch Right Angle Long Neck Cut-off Tool. Free Speed:19000 rpm. Optional Muffler MSA-005A to be purchased.Extensive shaft long neck cutting tools. are made for removing deep hole screw and bolts, car and machine maintenance, and sheet metal industry etc. Cut through sheet metal, fiberglass bolts, muffler clamps and hangers, grind down burrs and rough edges. New profile angle design with extensive shaft for tasks to be completed at confin..