Feature: 1. TELESCOPIC DESIGN: The surveying pole is telescopic design, allowing for the selection of appropriate lengths as needed to meet more surveying needs. 2. ALUMINUM ALLOY: This telescopic prism rod is made of aluminum alloy material, which has light weight, good corrosion resistance, and a long service life. 3. STABLE STRUCTURE: The prism rod adopts a thickened main body, which can maintain stability even in the situation of wind, ensuring accurate measurement data. 4. HIGH ACCURACY BUBBLE: This telescopic surveying pole is equipped with bubble to ensure high accuracy and high concentricity, stable and reliable operation. 5. WIDE APPLICATION: This metal telescopic pole is commonly used for land surveying and measuring, and suitable for difficult to operate positions such as wall corners. Specification: Item Type: Surveying Pole Material: Aluminum Alloy Specification: 1.5 Meter Rotating Locking Retraction Total Length: Approx. 52cm / 20.5in Extension Length: Approx. 1.5m / 4.9ft Rod Wall Thickness: 1mm Each Section Rod Diameter: Approx. 30mm / 1.2in, 27mm / 1.1in, 24mm / 0.9in, 21mm / 0.8in Top Thread Specification: 5/8-11 inch, Length: 10mm / 0.4in. Package List: 1 x Surveying Pole 1 x Storage Bag