Size: 2" x 3" Weight: 0.9 oz. If you're a beginner, the Starter Model 1-2-3 compass is a great tool for workign with maps and orienteering Its bas eplate is designed esspecially for children's smaller hands The rotating capsule has a 5 degree dial graduation and a clear base plate that makes it easier to read a map and plan the course Inch and millimeter scales are provided for mapping and plotting Plus, and lanyard hole on the base plate makes for easy carrying