Explorer Folding Compass. 3 3/4" x 2 1/2" closed. Black composition and green acrylic construction. Features liquid crystal compass, full size sighting/ signaling mirror, ruler (cm/in), declination scale, rotating dial, floating needle, orienting lines, azimuth ring, direction of travel arrow, 2ï¾° graduations, 360ï¾° markings, sighting notch and inclination scale 0-35ï¾°.