Accurate measuring tool: The triangular carpenter has a measuring range of 0 to 180mm, there is a scale on the front and back of the triangular ruler, and the scale is clear and accurate, which can provide you with accurate measurement results. Multiple measuring functions: The triangular carpenter can not only measure the length, but also quickly determine the angle from 0 to 90 degrees. There is also a quick conversion table on the front of the triangular ruler, which can save your time and improve work efficiency. Unique handmade design: There are hollow graphic auxiliary frames in the middle of the carpenter triangle, you can use them to quickly draw lines and pictures on the wooden board, and the practical TV-shaped fixed edge can be fixed on the wooden board, so that you can easily perform horizontal or bevel cuts without moving from left to right. Improves cutting accuracy. High-quality material: Made of high-quality aluminum alloy, high hardness, matte black color, good workmanship, effectively prevent strong light reflection, not easy to rust and wear, not easy to break, sturdy and durable. The corners of the triangle are passivated, so you don't have to worry about scratching your hands. Wide applications: The carpenter's triangles are suitable for use as woodworking cutting guides, frames, protractors, miters, linings, saw guides, holders and edges in woodworking, for the production of furniture and building models, very suitable for the entire construction and renovation projects.