Precision tribrach adapter engineered for traverse and setup work. Features a 2.5X twist-focus optical plummet, 60-second adjustable plate vial, and 360° rotating precision-machined axis.

Delivers 0.5 mm over-point accuracy at 1.5 m. Adjustable height spans 100–120 mm and accommodates all standard three-prong tribrachs and 24.9 mm bayonet-base prisms. Built for field reliability and repeatability.