Angle Finder Arm Rule 0-180 Degrees-150MM Protractor equipped with an adjustable screw. Easy to rotate and no need worry of hurting your hand. Protractor is suitable for many ways. Such as perfect for school, commercial, home, mechanical work, woodworking applications, hobbyists and so on. Protractor set is made up a 180 degrees protractor and a 150mm ruler. They was fixed together by an adjustable screw. The protractor not only can measure angle, but also can measure straight line. Degree Protector, Made of Stainless Steel, Angle Finder Arm Rule Professional Metal 0-180 Degrees 150mm Measurement with Adjustable Screw
