Features 4 SECTIONS DESIGN: The prism pole is 4 section design, has a total length of 2 meters, with standard interface, easy to install and disassemble. ALUMINUM ALLOY: The 4 sections pole is made of aluminum alloy material, with light weight, corr-osion resis-tance, and has a long service life. STABLE STRUCTURE: The prism rod adopts thickened body, which can be stable even when there is wind, ensuring accurate measurement data. MAIN PURPOSE: This surveying rod is suitable for difficult to operate positions such as wall corner, commonly used for ground base measurement. WITH LEVEL BUBBLE: The surveying pole is equipped with level bubble, making it easy to operate and level, with high accuracy and concentricity. Specification: Item Type: Prism Pole Material: Carbon Fiber, Aluminum Alloy Prism Constant: 0mm Length: Approx. 2 meter / 6.6ft Applicable Scene: Testing of tunnels, subways, mines, highways, etc. Suitable for measuring device such as total station. Use: Widely used in various industries such as subways, railways, tunnels, dams, steep slopes, etc. packing list: 4 x Prism Poles 1 x Storage Bag Package List 4 x Prism Poles 1 x Storage Bag