Aluminum alloy 5 / 8 " 11 threaded extension rod delivers compatibility with GPSs RTKs / GNSS antennas and stabilizers, ensuring precise height calibration for surveying accuracy for surveyors, engineers, and geospatial professional requiring antennas height adjustments in construction, mapping, or outdoor fieldwork environment Engineered for ruggeds, this extension rod enhances measurement workflows by combining resistant materials with ergonomic for repeatable accuracy in demanding conditions streamlines GNSS antennas setups on tripods or robotic stabilizers during topographic surveys, boundarys marking, or precisions agriculture operations with its toolless height calibration Builts with yet 25mm diameter aluminum alloy and double male / female 5 / 8 " 11 threads, this rod universals mounting adaptability for tripods, robotic systems, and measurement devices