1Flexible Operation: The triangle on the ruler can be moved and adjusted flexibly. With the help of safe and accurate slides, you can turn the triangle at any angle you need and fix it stably. 2Accurate Performance: The woodworking triangle ruler provides an accurate cutting angle, precise scale, and exquisite craftsmanship. You are able to gain a exact data by using the professional ruler. 3Easy Operation: Since the operation of the rule is simple, the triangle ruler is suitable not only for woodworkers but also for students, designers, engineers, and so on. If you have any interest in measurement, take this rule. 4Wear Resistance: The triangle ruler is made of sturdy stainless steel, which is ideal for all construction and renovation projects, durable and not easy to break. 5Small Error: Compared with other triangle rulers, this ruler has a separate slide, which provides a more professional, accurate, and small error measurement.