1Sturdy Aluminum Body: Made of heavy duty aluminum alloy, the triangle ruler is solid and robust, with high hardness, erosion resistance, and a smoothly surface that won't hurt your hands. 2Accurate Angle Measurement: With a laser etched scale and permanent markings, the angle measuring tool provides accurate readings, ensuring accurate measurements down to the finest millimeter. 3Multiple Angle Settings: Featuring multiple fixed angles at 30, 45, and 60, as well as multiple drilled holes, this angle finder ruler caters to various drawing needs. 4Handy Triangle Ruler: With this easy to read triangle ruler, you can effortlessly align the carpenter's square with the wood, and the recessed design facilitates sliding for easier measurements. 5Versatile Functionality: This multi functional ruler is perfect for woodworking, engineering, and projects, offering both accuracy and convenience. 1 x Triangular Ruler