Manufacturer: Microplan   Model: PERTEST - perpendicular test instrument   Master from Microplan is a perpendicular test instrument that is suitable for testing the displacement onto the axes of the visualised machine tools or CNC. Simply by using a dial gauge or electronic feeler. Made from black granite with seven lapped faces, perpendicular and parallel to each other. The exact distance between two parallele faces of the plates is indicated.   Available in three sizes, 200 x 150 x 150mm , 300 x 200 x 250mm, 400 x 250 x 250mm, Master is supplied in its own wooden case, test report and user guide.