Marui-Keiki Universal protractor with magnifying glass

Clear division and numbering of the scale disc 4×90°. The vernier and scale disc are in a single plane, ensuring error-free, parallax-free reading. The measuring disc is glare-free and chrome-plated. The measuring rail is beveled at 45° and 60° at the front end. It can be repositioned and moved along its entire length. The vernier disc and movable rail can be secured with a cord screw. Fine adjustment is possible with a knurled screw and a panoramic eyepiece providing a view over the entire vernier.