Brunton Omni-Slope Sighting Clinometer Brunton Product Includes compass Great for camping Forestry Instrument Inclinometer Measurements Measures angles in Degrees, Percent Grade and 66 Foot Forestry Chain Precision Pendulum for Fast, Accurate, Smooth, Dead-on 180 Degree Range Lightweight Aluminum Housing Illuminated Readout Light Piping Gives Clear Bright Readout