Feature: 1. MAIN USE: This centering pole is that allows the prism to point toward the ground measurement point in the direction of the pituitary gland, facilitating distance and angle measurements. 2. ALUMINUM ALLOY MATERIAL: Made of premium aluminum alloy material, this bracket is strong and sturdy, wear resistant and scratch resistant, ensures a long life span. 3. ACCURATE MEASUREMENT: The thickened rod wall ensures stable place and stand in the wind, and the laser scales, level bubble are all designed for accurate measurement. 4. TIGHT FIX: The top piece is tightly locked and not easy to fall off. The iron piece is pressed onto the centering rod by screwing the screw to lock the rod body. 5. APPLICABLE INDUSTRY: Widely used in various industries such as railway, tunnel, dam, steep slope, etc. Specification: Item Type: Total Station Centering Pole Material: Aluminum Alloy Scale Range: Approx. 140 to 215cm / 55.1 to 84.6in Full Shrinkage Height: Approx. 132.5cm / 52.2in Scope of Application: Detection of tunnels, mines, highways, etc. Suitable for measuring instruments such as for Trimble. Application: Widely used in various industries such as railway, tunnel, dam, steep slope, etc. . Package List: 1 x Total Station Centering Pole1 x Storage Bag