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By certification 
LEICA GDF321 style Tribrach without Optical Plummet for GPS base stations, theodolites and total stations.
Model NO.: AJ13C2
High-quality tribrach features 3X magnification and a twist focus.
Its reticule is composed of two small concentric circles.
With a sighting distance of 0.3 m to 15 m, accuracy of 0.5 mm per 1.5 m.
A locking forced-centering knob, a 5/8 x 11 base and an 8-minute circular vial.
Color: Green
