Multiple Size Choices: This aluminum survey pole provides 200 cm 300 cm and 500 cm options matching different land surveying demands and working well as a flexible measuring rod Eye-catching Color Design: Adopts classic red and milky segments for high visibility helping this centering rod be quickly identified in outdoor construction and survey scenes Convenient Detachable Structure: The segmented splicing design supports fast assembly and storage making this surveying range pole easy to carry for outdoor working Reliable Material Application: Made of aluminum this survey rod performs steadily on job sites; an insulated measuring pole in Other is also available Wide Professional Usage: Suitable for construction layout boundary marking and engineering survey this measuring rod supports various on-site survey tasks effectively