High-quality materials: The bevel is made of high-quality stainless steel and equipped with a hardwood handle, which is strong and durable, resistant to falling and not easy to rust. Detachable handle: wooden handle, more convenient to hold and more beautiful at the same time. The handle has an adjustable nut so you can easily tighten and loosen the ruler. 2 units of measurement: The brand has two units of measurement: metric and imperial (0-20, 0-7 inches). Double-sided scale, clear and easy to read, not easy to fade, more convenient to use. Easy to use: adjustable protractor, 360 rotatable. You can adjust the ruler to your desired angle, tighten the nut to hold it in place, then you can measure or draw a picture. Wide range of uses: double-sided scale, adjustable design, more convenient to use, very suitable for engineers, designers, carpenters, etc. to achieve perfect lines, precise angles and precision.