All Vecturo blades with the designation USB are Bimetal Universal Blades and are designed for plunge cuts in hardwood, softwood, or man-made materials, including plastics and plasterboard. These sturdy long lasting blades are built for high cutting speeds. This blade is 78mm long and 32mm wide. This blade is designed to be used with the Festool Vecturo Plunge Base. Includes five blades.