Tribrachs
It offer precise plumbing of surveying instruments and adapters, and have a universal 5/8'' x 11 base plate

Tribrachs

Tribrachs without optical plummet offer precise plumbing of surveying instruments and adapters, and have a universal 5/8'' x 11 base plate

-Colors available: Black, Green, Grey, or Yellow

This high-quality tribrach features 2X magnification and a twist focus. Its reticule is composed of two small concentric circles.