4-in-1 Tool: You need to give a new chance to try this angle ruler, which is a must-have tool for anyone. It can be used as an angle finder as well as a normal ruler for measuring, marking. Also, the additional compass function and level bubble are supereasy to use for painting tools and woodworking compasses. Accurate: Easy to read precision laser engraved balance, fixed lock precisely snaps to your desired angle, perfect crown molding, protractor allows direct angle reading to the miter New Generation ABS Material: The cutting saw protractor is made of lightweight plastic, which is corrosion-resistant and wear-resistant, and the rust-free plastic conforms to the shape and holds the angle well, without worrying about damage during measurement.In addition, its size and lightweight material make it more convenient to carry. The Enthusiastic Hobby of BuildersHorizontal bubble shows vertical level, to make sure your wall art is hung straight. combination of red and black colors, aluminum with some hard plastic and easy to use, unique logo design fix lock is more ergonomic,it is effortless to rotate, effectively reduce your working time A Good Helper for Carpenter- This angle finder is widely used in woodworking, construction, schools, home improvement, and machining perfect for crown molding, trim work, plumbing, a variety of other carpentry applications.