With a detachable safety-release lanyard and luminous markings for night navigation, the Silva Ranger compass is a convenient and handy piece for anyone relying an map navigation to get where they\'re going.The Silva Ranger features DryFlex grip for easy handling and comes with a use-anywhere declination scale inside the capsule, a magnifying lens, and base plate map (measuring in mm and scales of 1:50,000 and 1:25,000).A go-anywhere tool, for serious compass users.DryFlex Rubber grip: Easy handling of the compass Detachable safety-release lanyard  Declination scale inside the capsule: can be used anywhere Map measuring scales (mm and inch): 1:50,000 and 1:25,000 Luminous marking enable night navigation Weight: 33g The Ranger compass uses the Silva 1-2-3 System: