Features: Elevates your surveying efficiency with our Poles Clamp, features a compass and a adjustable Open Data Collector Cradle for precisions and convenience. Crafted from anodized aluminum with screws, this corrosion resistant Poles holder mount ensures durability and reliability in any field environment. For professional surveyors, geologists, and construction engineers who require equipment for accurate data collection and navigation. Portable, the clamp is perfect for outdoor use, whether it's on a building site, during geological surveys, or while navigating through remote locations. Allows for quick setups and easy adjustment, ensuring that you can on the task at hand without worrying about equipment stability. Specifications: Component: ABS, Metal Size: About. 5x24cm/1.97x9.45in Package Includes: 1pc Poles Clamp note: Please allow 1-2cm errors due to manual measurement. Due to difference between different monitors, the picture may not reflect the item actual color.