Precision spirit level according to DIN 877. Sturdy design made of high-quality special cast iron, textured finish. With flat and prismatic measuring surface (150°), for aligning horizontal surfaces and shafts. With housing recesses for lateral insight. The measuring surfaces are finely ground. The device is equipped with a ground longitudinal vial made of glass, a transverse vial and full heat protection. The scale value of the longitudinal spirit level is stated on the type plate. Magnet version and special versions available on request.