Silva Field is an entry level compass designed to meet the demands of schools, youth groups and leisure outdoor navigators.The 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 a rubber bezel for improved comfort and grip, and a detachable safety-release lanyard – a reliable companion in all outdoor situations!360° graduationN/S red & black linesRotatable housing – use with the SILVA 1-2-3 System®waterproofRubber grip – Easy handling of the compassDetachable safety lanyard – Easy to attach/detachDeclination scale inside the capsuleMap measuring scales mm, 1:50k and 1:25k – compatible with most mapsNato Stock Number (NSN) - 6605-64-001-2227SKU 37501Accuracy 1°Dimensions 85 x 54 x 11Material Acrylic/TPUMeasuring scales mm1:25000, 1:50000Type of compass Base plate compassWarranty 5 years