This is a copy of artillery M2 compass used by the U.S. Army.
Compass has a snap lockable solid composite green color body.
Compass needle mounted on a pivot
Azimuth scale of 1° (adjusted by screw on the side)
Mirror in the lid and comfortable front and rear sights
Two built-in bubble levels to stabilize the compass
Fluorescence shield and needle
Needle protective lifting mechanism
Wheel diameter: 65mm
Size (when closed): 70 x 70 x 22mm