Multiple Measuring Functions The carpenter triangle ruler 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 Design There 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. Widely UsedThe carpenter's triangular gauges are suitable for use as a cutting guide for woodworking, frames, protractors, miters, linings, saw guides, supports and edges in woodworking, for making furniture and building models, very suitable for all construction and renovation projects.