Accurate Measuring Tool The triangle carpenter has a measuring range of 0-180mm, there are graduations on the front and back of the triangle ruler, and the graduations are clear and accurate, which can provide you with accurate measurement results. Multiple Measuring Functions The triangle 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 triangle ruler, which can save your time and improve work efficiency. Unique Craft DesignThere are hollow auxiliary graphic frames in the middle of the carpenter's triangle, you can use them to quickly draw lines and graphics on the wooden board, and the convenient T-shaped fixed edge can be fixed on the wooden board, allowing you to easily make horizontal or bevel cuts without moving from left to right. Improve cutting accuracy. High-quality material Made of high-quality aluminum alloy, high hardness, matte black paint, 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.