CM ClinoMaster Brunton Product Includes compass Great for camping The ClinoMaster can measure the height, angle and slope of almost anything readable from 0-90-Degree and 0-150-Degree, with estimations to 0.25-Degree. A rugged, aluminum housing has inch and mm scales. Left scale (any distance): (66' distance) 0-200' 0-105' w/1' resolution, 105-200' w/5'; Right scale (any distance): 0-150%, 0-80%; 1% resolution, 80-150%; 2% resolution; Tangent scales: (0-45 degrees); Inch and mm scales: (0-2" & 0-60mm) Overall dimensions: 3"x2.1"x0.7" Aluminum inclinometer card with precise scales for highly accurate sighting