Precision crankpin spirit level according to DIN 877. Sturdy design made of high-quality special cast iron, textured finish. With flat measuring surface and prismatic longitudinal and transverse prism (150°), for aligning very short, horizontal surfaces and crankshafts and journals on engines or machines. The measuring surfaces are finely ground. The device is equipped with a ground longitudinal level made of glass, a transverse level and full heat protection. The scale value of the longitudinal spirit level is given on the type plate. Magnet version and special versions available on request.