3.7in x 2.6in x 1.1in， metal， Green， 300g.Offering a little different style to the traditional Military style compass， there is no flip up optic to peer through (like in a traditional lensatic compass). This model uses a true sighting optic that allows you a direct read of the internal compass card housed in the fluid filled capsule. And the vertical lubber line of the sighting optic lets you take full advantage of the 1 degree resolution used on the compass card. The clinometer allows the measuring of differences in height and slopes.