Cut crown molding the same way it is mounted For use with Crown Molding from 2” to 5-1/2” Adjustable to common 38°, 45° and 52° crown molding spring angles Crown molding angle finders 10 inch or larger sliding miter saw recommended CUTTING RANGE DEPENDENT ON SIZE AND STYLE OF MITER SAW CROWN45 DOES NOT MOUNT TO MITER SAW. REQUIRES MANUAL STABILIZATION NOT RECOMMENDED FOR CROWN MOLDING MORE THAN 5-1/2" INCHES TALL