Probably the world's best selling compass.The original Silva Field has base plate map-measuring in mm and scales of 1:50,000 and 1:25,000 compatible with most maps. The compass features DryFlex™ rubber bezel for improved comfort and grip, and a detachable lanyard—a reliable companion in all situations!
Features:
Map measuring scales in millimetres,
1:50,000 and 1:25,000