6pcs 90-degree monitoring prism GMP104, 1 inch L-bar reflector, suitable for total station L-bar prism. 90 degree L type prism. Fits for Leica total station and replace GMP104. BAR prisms, maybe mounted on the tunnels, roads and bridges, dams. Buildings and constructions or some other fix up places or objects for. Surveying, distortion, displacement It suits different kinds of total. 90 Degree Right Angle Mini Geodesic Prism with L Type Metal Holder. The diameter of the prism/ reflector is 1-inch (25.4mm) The L – shaped bracket offers a rigid and versatile mounting option. It can be attached to poles, tripods or other surveying accessories for precise prism positioning in height and orientation The diameter of the small hole on the bracket is 0.4 inches (1cm) Offset: +8.94mm (when compatible with Leica) Offset: -25.46mm (when compatible with Topcon, Trimble, Sokkia, Nikon, Pentax, South and other brand total stations).
