Suunto Tandem 360PC/360R DG Compass Clinometer SUUNTO TANDEM IS A LIQUID-FILLED PRECISION COMPASS AND CLINOMETER IN ONE COMPACT ALLOY HOUSING THE PRECISION INSTRUMENT FOR PROFESSIONALS The Suunto Tandem hand-held precision instrument is used all over the world by antenna installation technicians, surveyors, engineers, miners, architects and many others to measure bearings quickly, reliably and easily. […]