General Tools 17 Square Head Metal Protractor<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Protractor is constructed of sturdy stainless steel; unlike plastic protractors， a stainless steel one is the last one you will buy</li><li>Measuring tool has a 6" adjustable protractor arm that can be held in place with the knurled locking nut; quickly and easily identify angles</li><li>Angle measure has permanently etched graduations for 0 to 180 degrees in opposite directions</li><li>Tool measures 3-3/8" long with a 2" square head; perfect for school， commerical or home in machinist， woodworking and homework applications</li><li>Used the tool for setting bevels and measuring and marking angles</li></ul></div><img src="http://ecx.images-amazon.com/images/I/31W67060B8L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31NX5Gp4EuL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51qaO6eLiwL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41kayV52Z8L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51pIQNvH2eL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41NYr2EyBkL.jpg" noproxy>