The Easy Mitre Box Deluxe with Razor Saw cuts wood or plastic material up to 1/2" (13mm) thick and 2" (51mm) wide. Injection molded miter box has four miter angles 22.5, 30, 45, 60 and 90 degree cuts. Cam claps hold material in place while cutting. Razor saw has 32 teeth per inch and thin .010" (0.25mm blade for fine cuts. For cutting door and window casings, we also recommend the East Cutter (MW1126).