Rotating compass dial with graduations every 2A Degree. Swedish steel needle pivots on a liquid damped, sapphire jeweled bearing. Built-in magnetic declination adjustment screw. Mirror-sighting with luminous points. Needle orienting arrow and lines. Map magnifier. Clear protractor baseplate has inch scale edge (graduated in 20ths), millimeter scale edge and romer scales of 1: 24, 000, 1: 25, 000, and 1: 50, 000. Clinometer reads to A90A degree. 2-3/8A x 4A closed. Breakaway lanyard features 1: 25, 000 and 1: 50, 000 scales. Instructions included.