Seco European-Style Tribrach

The Seco European-Style Tribrach is a high-quality tribrach that features magnification up to 2X and a twist focus. It has a reticule which is composed of two small concentric circles. With a sighting distance of 1 up to 50 feet, this tribrach has an accuracy of 0.5 mm/1.5 m. Plus, the Seco tribrach has a locking forced-centering knob, a 5/8 x 11 base and an 8-minute circular vial.