Now, you can do home improvements the easier and accurate way with the latest innovation, the Universal Bevel Ruler Set! It's a universal ruler, that enables you to measure angles, make perfect circles and measure false squares, all that, combined into one. The Universal Bevel Ruler Set provides you a ton of help with its multi-functional usage. It's uniquely made to combine a ruler and three interchangeable heads (square head, protractor head, and center head). Equipped with an adjustable knob which allows moving freely horizontally along the grooves of the rule, so that they may tailor towards any size job. Get the right angle with just one tool, the Universal Bevel Ruler Set! Features: Material: Made of high-quality stainless steel, anti-rust, durable and sturdy to use. With measuring a range of 0-180 degrees and an accuracy of 5 '/ 0.08 degrees. Made of fully hardened blades and etched with micro-fine blade graduations. Finished with a beveled extension blade, roller control, and fine adjustment Applications: Great tool for layouts, checking heights, depths, angle set-ups, etc. Uses: Perfect for woodworking, stonemasonry, and metalworking need