1. DURABLE CONSTRUCTION. The 8.5-Foot Prism Pole with Quick Release Clamp is meticulously engineered using lightweight, yet robust aluminum, delivering exceptional durability for fieldwork. Its collapsible design offers pneumatic resistance for easy 2. ADJUSTABLE HEIGHT. Used together with prisms, total stations, targets and GNSS instruments, this extendable pole helps in precisely measuring distance. It’s a great selection for surveying operations, extending its height from 4.6 to 8.5 feet. 3. CONVENIENT CARRYING POUCH. Soft and durable, this adjustable pole comes complete with a carrying pouch. This survey equipment features a zipper closure to keep the pole safe and secure, along with a carrying strap for easy transport from one jobsite to the next. 4. EASY TO USE. Gain the accuracy you need when measuring distance and collecting data with the 8.5-Foot Aluminum Prism Pole. This telescoping pole, equipped with a surveyor-friendly quick release clamp and adjustable tip allows you to effortlessly lock in desired lengths for precise measurements.