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By certification 
Topcon Type Tribrach without Optical Plummet AJ13(D2)
Tribrachs accept EDM systems, total station, electronic and optical theodolites, as well as equipment and
accessories.
High quality tribrach features 3X magnification and a twist focus.
Its reticule is composed of two small concentric& nbsp;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: Yellow
