The BRUNTON Axis Transit is a professional pocket transit designed for faster, more efficient field measurements by allowing simultaneous readings such as strike and dip, trend and plunge, dip and dip direction, or bearing and angle. Built in the USA, it features a secondary axis of rotation, a lid protractor, a hollow hinge sighting tube for direct horizontal and vertical sighting, and a precision magnetic system for accurate, reliable performance in geology, surveying, and other fieldwork applications.