Seco tribrach with optical plummet

European-style tribrach with optical plummet. Compatible with Seco aluminum and wooden tripods.

• 2X magnification and twist focus.
• Sighting distance from 0.3 m to 15 m with an accuracy of 0.5 mm per 1.5 m.
• Lockable forced centering knob and a 5/8 x 11 base and an 8-minute circular vial.