The Wood Rasp is four tools in one: flat mill, half-round second-cut, flat wood rasp, half-round wood rasp;
Metal File mill smooths edges and sharpens blades;
The Wood File has Half-round second-cut File smooths inside surfaces of contoured openings and holes;
Flat wood rasp roughly finishes wood, leather, soft metals, and soft plastics;
Saw File has Half-round wood rasp roughly shapes interior contours.