Description: Material: Telescopic centering pole is made from sturdy aluminum alloy, ensuring durability longevity.Easy to Use: The portable measuring pole features a lock system for quick setup secure positioning, ideal for professionals in the field of surveying mapping.Adjustable Size: The surveying pole can be adjusted, making it versatile for various surveying needs.Feature: Thiis surveying pole is lightweight portable, stable structure, can be used for a long time.Package Includes: Each purchase comes with a surveying pole a convenient storage bag for easy transportation. Specification: Material:Aluminum Alloy Size Chart: 1.5m Toggle Lock: 47cm-1.5m 1.5m Rotation Lock: 52cm-1.5m 1.8m: 71cm-1.8m Package Includes: 1 PieceTelescopic Centering Pole 1 Piece Storage Bag Note: Please allow slightly errors 1-2cm differences due to manual measurement.