Features: PRECISE MEASUREMENT - This miter saw protractor is specifically designed to ensure a correct and precise miter angle with no effort. The miter protractor could provide you the exact angle you need (inside or outside corners) to make your perfect trim for crown molding, baseboard molding and more.  PREMIUM CRAFT - Made from durable hardened plastic, this miter saw protractor is superior and stronger than traditional plastic angle finder. It is resistant to scratch and very durable.  ERGONOMIC DESIGN - The back o-ring mechanism swivels during operation and ensures smooth and precise read on inside/outside and all kinds of angles on woodworking, carpentry trimming or DIY jobs.  PORTABLE DESIGN - Small and light enough to slip into your tool box, work bench and even your pocket easily.  YOUR BEST WORK PARTNER - Perfect for crown molding, trim work, plumbing, and a variety of other carpentry applications.   Specification: Color: White+Yellow;  Material: Plastic;  Scale: Laser Engraved;  Length: 7.25in;   Packing List: 1 * Miter Saw Protractor;  1 * User Manual