Liquid-damped magnetic steel needle and long-lasting precision pivot. Built-in magnetic declination screw and magnifying lens. Sighting mirror with luminous points. Additional sighting hole.
Clear protractor base is imprinted in red and features skid-proof rubber map feet. Clinometer measures heights and slopes to ±90°. Lanyard and declination tool included.
Baseplate Dimensions: 2-1/2” x 3-13/16”.
Features a magnifier in the base, a 1/20 inch scale, plus the 1:24,000 and 1:62,500 USGS Forestry Scales.