[Measurement Scales]: This 12 inch carpenter square Includes a precise, laser-etched measurement scale for accurate readings. Our rafter square also features a 90-degree angle for for square cuts and layout and mark angles up to 90 degrees [Versatile Functions]: It Functions as a rafter square for measuring and cutting roof rafters. This carpenter square is used as a try square, miter square, protractor, and saw guide in various carpentry and woodworking tasks [Durable Aluminum]: This carpenter tool is resistant to rust and corrosion, suitable for outdoor and indoor use. It is made of durable aluminum, a heavy-duty construction rafter square ensures longevity and reliability [Applications]: Our carpenter square is an essential tool for framing, roofing, stair layout, and other construction projects. Ideal carpenter tool for marking and cutting angles with precision and accuracy. This rafter square suitable for woodworking, carpentry and DIY [Customer Service]: If you have any question about this rafter square, please do not hesitate to contact us, we will reply you within 24 hours and give you the satisfying service