Wotefusi Portable Military Army Compass With Neck Strap Belt Carry Pouch For Outdoor Sports Hiking Camping Climbing Be made up of the compass, sighting window with sighting line, etc. Outer ring is 360 partition system, the minimum scale is 2 Be made up of sighting window and sighting line, etc. Be made up of pitching table card, pitch pendulum, head-up mirror,etc. Be made up of mutually perpendicular long ruler and two short ruler on either side, 120 mm long. Military Compass