This all in 1 kit is perfect for finishing off room renovations and updates. Use the Angle Finder to measure, lock in, and transfer crown molding and baseboard angles to your miter saw and make perfect cuts. The Crown45 supports crown molding with spring angles of 38°, 45°, and 52° ensuring stock is cut correctly the first time, saving time and money. The innovative design also allows you to cut the crown molding right side up- the way you will see it and install it- reducing error. After cutting, Use the included Crown Hangers for easy, 1 - man installation of your crown molding. For door trim and window casing, finish off your room by installing perfectly square window and door trim using the Trim45. Just measure, mark , cut, and install. Material: Acrylonitrile Butadiene Styrene (ABS).