RTK GPS Survey Prism Pole with Bubble Aluminum Alloy Telescopic Rotating Locking Rod for Land Surveying 1.5 Meter1TELESCOPIC DESIGN: The surveying pole is telescopic design, allowing for the selection of appropriate lengths as needed to meet more surveying needs. 2ALUMINUM ALLOY: This telescopic prism rod is made of aluminum alloy material, which has light weight, good corrosion resistance, and a long service life. 3STABLE STRUCTURE: The prism rod adopts a thickened main body, which can maintain stability even in the situation of wind, ensuring accurate measurement data. 4HIGH ACCURACY BUBBLE: This telescopic surveying pole is equipped with bubble to ensure high accuracy and high concentricity, stable and reliable operation. 5WIDE APPLICATION: This metal telescopic pole is commonly used for land surveying and measuring, and suitable for difficult to operate positions such as wall corners.