The world-famous Suunto clinometer is a hand held instrument used for making precise measurements of vertical angles. Foresters in government and in private industry consider and use the Suunto clinometer more than any other for measuring tree height and slope. Features include: jeweled bearing assembly scale card, surrounded by dampening liquid. Parallax-free lens, sturdy aluminum housing, metal ring for lanyard and padded Cordura case. Your choice of three base scales: Percent & Degree, Percent & Topographic or Degree & Topographic. $136.95, 3/$389.85Scales: PM5/66PC Percent & TopoPM5/66 Degree & TopoPM5/360PC Percent & Degree Suunto Clinometers - Metric ModelsSame general features as above Scale: +/-35m @ 15m baseline, +/- 50m @ 20m baseline, respectively. 20m scale/degree conversions on back. PM5/1520$136.95 Protective Cover for Clinometers & KB-14 CompassesYellow rubber - fits tight to protect from damage. K1335$11.75 Compass & Clinometer CasePadded black Cordura nylon case with velcro closure. Please note: If you are also purchasing a KB-14 compass or a clinometer, this case now comes with them. You don't need to purchase this separately. MC-P$10.25 Leather CaseFits Clinometers & KB Compasses. KB1900$9.25 Need more information? Please feel free to contact us at 1-800-592-6940 - Ask for Extension 547 or Internet Sales.