Features: _x000D_ Brand new and high quality 0~180 degree rotation protractor ruler for easy and precise measurement. _x000D_ Made from premium stainless steel, it is durable and not easy to deform. _x000D_ To stock the screw nut and then you could draw the angle you wanted. Adjust the nut, you can fix the angle. _x000D_ It's easy to use and read with clear markings. _x000D_ Widely used in angle measurement, length measurement, student drawing, engineering, architectural design, carpentry and so on. _x000D_ _x000D_ How to Use: _x000D_ 1.To stock the screw nut and then you could draw the angle you wanted. _x000D_ 2.Measuring angle to match the bottom of the half round and standard handle with the measured substance strongly. And then you could read the angle you measured very clearly. _x000D_ 3.Easily to measure any angle you wanted. _x000D_ _x000D_ Specifications: _x000D_ Condition: _x000D_ Material: Stainless Steel _x000D_ Color: As Picture Shown _x000D_ Size: Approx. 19.7*5.2cm/7.76*2.05in _x000D_ Weight: Approx. 70g _x000D_ _x000D_ Package Included: _x000D_ 1 * Protractor Ruler 1Brand new and high quality 0~180 degree rotation protractor ruler for easy and precise measurement 2Made from premium stainless steel, it is durable and not easy to deform 3To stock the screw nut and then you could draw the angle you wanted. Adjust the nut, you can fix the angle 4It's easy to use and read with clear markings 5Widely used in angle measurement, length measurement, student drawing, engineering, architectural design, carpentry and so on