... and the working time. It uses for cutting soft wood, MDF, Hard wood, Plywood, Laminated, Bilaminated, Veneered, Chipboard, Picture Frame, etc.. ... slots, etc..NoTypeTeeth ShapeApplicationUsage1100X(2.8-4.0)/2.2X20X24DTSize panel sawwood, MDF, Non-feerous2120X(2.8-4.0)/2. ... MDF, Non-feerous4160X(3.4-3.6)/2.8X25.4X36DTSize panel sawwood, MDF, Non-feerous5180X3.0/2.0X30X30ATBLongitudinal cuttingwood, MDF, ...