Johnson Level 700 Magnetic Protractor / Angle Locator Johnson's 700 Angle Finder is extremely easy to use. Just place the Angle Locator onto any surface and find the angle. This angle measureing tool includes a magnet on one end for use on ferrous metals and a groove on the other to easily lay over pipe, making that plumbing job to find the right pitch even easier when working alone. Johnson #700 Angle Finders are lightweight, durable and a very inexpensive alternative to digital or electronic levelsBrand new