Cammenga Wrist Compass Phosphorescent 166757. Constructed with a machined aluminum casing for durability in the most demanding conditions. Easy to read ten degree phosphorescent graduations become luminous for visibility in low-light conditions. Includes a heavy-duty nylon wristband. Package Contents: Cammenga Wrist Compass Phosphorescent Cammenga 166757: Wrist Compass Phosphorescent