Description： 1.Stainless Protractor Round Head Angle Finder Craftsman Rule Ruler Machinist Tool. 2.Protractor is constructed of sturdy stainless steel; unlike plastic protractors, a stainless steel one is the last one you will buy. 3.Measuring tool has a 4" adjustable protractor arm that can be held in place with the knurled locking nut; quickly and easily identify angles. 4.Angle measure has permanently etched graduations for 0 to 180 degrees in opposite directions. 5.Perfect for school, commerical or home in machinist, woodworking and homework applications. 6.Used the tool for setting bevels and measuring and marking angles. Specification： Protractor arm length: 100mm. Protractor arm width: 14mm. Protractor diameter: 88mm. Package Include: 1 X Swing Arm Protractor NOTE: Please allow 1-2mm errors due to manual measurement, thank you for your understanding!
