Topcon Tribrachs-10/20 are recommended for accurate plumbing of Topcon total stations, EDM's, theodolites, and reflector systems.

The tribrachs have a circular level of 10'/2mm sensitivity. The units also have a three leveling screw system for quick leveling, a 5/8" x 11 thread for attaching to the tripod and a single lock lever for a fast set up and tear down of instruments.

Without Optical Plummet.