Andux Land Outdoor Camping Hiking Small Mini Company Portable Pocket Compass/Directional Compass for Survival Kit CS/ZDZ01 1. Optical glass surface, aluminium alloy housing, Lightweight recreational compass made of durable, clear 2. Employs Suunto's two-zone system for reliable readings in northern hemisphere 3. Fixed declination correction scale, metal bearing, adjustable route of march. 4. Ergonomically designed to fit in palm, with a round ring hook, easy to hold or hanger with a rope. 5. Perfect navigation tool for hunting,hiking and other outdoor activities.