Features 1、Excellent Aluminum Alloy Material: This prism rod is made of excellent aluminum alloy material, which is lightweight, sturdy and durable, with a long service life. 2、Thickened Design: This aluminum alloy prism rod has a thickened design, which keeps it stable even when there is wind and ensures accurate measurement data. 3、Easy To Operate: This telescopic surveying prism pole comes with a bubble which is easy to operate and has high accuracy and concentricity. 4、Wide Application: This stakeout prism pole has a wide range of applications, it is suitable for corners and other difficult to maneuver positions, commonly used in foundation surveying. 5、Telescopic: This prism pole has a telescopic design, which can reach up to 1.8m when extended and 71 cm in total length when contracted, making it easy to carry. Specification Item Type: Prism Pole Material: Aluminum Alloy Specification: 1.8 Meters Rotary Locking Total Length After Contraction: Approx. 71cm/28in Extended Length: Approx. 1.8m/5.9ft Pole Wall Thickness: Approx. 1mm/0.04in Diameter of Each Section of Pole: Approx. 30mm/1.18in, 26mm/1.02in, 21mm/0.83in Top Thread Size: 5/8-11inches, Length: Approx. 10mm/0.39in Package List 1 x Prism Pole 1 x Storage Bag