Dimensions : 9 × 6 cm Weight : 120 gms Product Code : OI - 102 This solid brass engineering lensatic compass has a glass window with a line itched into the glass for use as a rear sight. The outside of the compass has a brasss guard to protect the glass. The compass features a luminuos dial for easy viewing at night. The brass engineering lensatic compass is available in polished brass with an antique patina. Either version comes complete with a 100% leather case to store and carry the compass.