Fits for most indoor like home maintenance and outdoor activities like camping, map reading, fishing, hiking, night, fishing, night flying, hiking, backpacking, etc. Inch and millimeter scales for mapping or plotting. Map measuring scales mm 1:25,000 & 1:50,000. Protractor compass for measuring direction. Lanyard hole on the base plate for easy carrying (lanyard included). Luminous needles and points for navigation in the dark. Rotating dial and large magnifying glass. Rotating adjustable
