Topcon Type Tribrach with Optical Plummet/ Optical Plummet Twist Focus Tribrach - Yellow for GPS base stations, theodolites and total stations.

Model NO.: AJ13D1

High-quality tribrach features an optical plummet and 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: Yellow