Muya G73007 Optical Twist Focus Tribrach, Green Muya G73007

The Muya G73007 Optical Plummet Twist Focus Tribrach is a high-quality tribrach featuring:
An optical plummet and 2X 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, the tribrach has an accuracy of 0.5 mm per 1.5 m
Locking forced-centering knob and a 5/8 x 11 base and an 8-minute circular vial
Weighs 0.70 kg