Professional observation compass (maximum accuracy of 1.0° of true heading) with screw for adjusting the magnetic declination and clinometer, transparent base plate, mirror on the cover, easy-to-read rotating dial, and luminous points.
Professional observation compass (maximum accuracy of 1.0° of true heading) with screw for adjusting the magnetic declination and clinometer, transparent base plate, mirror on the cover, easy-to-read rotating dial, and luminous points.
