Feature: 1. [Versatile Prism Adapter] This prism pole adapter features a 5/8-11 thread and measures 20mm in length, designed for use as a measurement adapter with GPS, RTK, and total station base connections. 2. [Aluminum Construction] Made from aluminum, this quick release adapter offers durability and reliable performance under regular field use. 3. [Precisely Cast Design] The adapter is precisely manufactured with integrated threads to ensure a secure and stable connection. 4. [Wide Applications] Compatible with tripods, observation piers, and base centering poles, this adapter supports various surveying applications. 5. [Compact and Portable] Lightweight and compact design allows for easy transport and convenient use in fieldwork, enhancing efficiency during measurement tasks. Specification: Item Type: Prism Adapter Material: Aluminum Model: AD E02 Specification: 5/8-11 Connector, 20mm Length Package List: 1 x Prism Adapter