Brunton 5006 Geological Compass

The design for the International Pocket Transit effectively reduces needle " dip" when professionals travel to different hemispheres. ( Call us for the special balancing required for absolute precision in distant areas.) Powerful Alnico V magnets are mounted to a polished, cupped sapphire jewel bearing, allowing for smooth needle movement. Features : Alnico V magnets for quick magnetic north needle alignment Needle has a lower center of gravity allowing for use in a wider range of countries Vertical angle measurements to ± 90° or 100% grade A percent grade scale with increments of 5% Induction dampened needle for quick, accurate readings Sapphire jewel bearing allows for smooth needle movement Magnetic declination adjustment allows for east or west declination settings to ± 180° Short and long sights for increased accuracy when sighting azimuth or vertical angles Precision aligned mirror with convenient " see-through" sighting capability Cast aluminum body makes the International Pocket Transit nearly indestructible Ball & socket tripod mount for increased accuracy Sealed with silicon for waterproofing and increased reliability Leather case included Overall dimensions: 3.1" x2.8" x1.3" Weight: 6.8 oz Material : Iron Made in the USA