Berntsen Domed Bronze Concrete Survey Marker - 3 & 1/2" Monitoring Targets reflectors and GNSS antennas

reflectors and GNSS antennas

Reliability

PlaneLok automatically locks on to an existing horizontal elevation or vertical alignment point which eliminates all drift or possibility of error due to improper calibration or weather

Mounting holes are spaced 4 3/32 inches

56 ft) and are compatible with the Leica GRZ122 360° prism and GNSS antennas

Berntsen Domed Bronze Concrete Survey Marker - 3 & 1/2" Monitoring Targets reflectors and GNSS antennas"C" style has the classic split style tapered stem One solid piece no welding, made from orbital formed solid unleaded silicon bronze Inverted "Y" design stem is flared to approx. 3 4" (19mm) for anchoring in rock or concrete