Halltech - Model SUUNTO TANDEM /360PC/360R DG0 SS020421000 -Clino/Compass

Suunto Tandem is a liquid-filled precision compass and clinometer in one compact alloy housing. 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.