Reciprocal 6,000 strokes-per -minute action with approximate .100 stroke length Includes: file/sander with 6' cord, 4 files (flat, round, half-round, triangle), 3 sanding pads (100, 220 & 400 grit), four 100 grit sanding sheets, four 220 grit sanding sheets, four 400 grit sanding sheets, & instructions