More for adventure racers and guides than casual hikers, the 70M includes three clinometers, a bubble level for accuracy, and an alignment system that uses a round circle at the end of the needle. Brunton claims that aligning the circles is easier visually and more efficient than with a straight needle. It's also made in the U.S.
Dimensions: 4.1 by 2.5 inches
Weight: 3.6 ounces