1[Versatile Prism Adapter] This prism pole adapter features 5/8 11 thread, measuring 20mm in length, serving as a measurement adapter for GPS, RTK, and total station base connections. 2[Aluminum Construction] Constructed from aluminum, this quick release adapter ensures durability on site while maintaining integrity even under continuous wear and tear. 3[Precisely Cast Design] The adapter is meticulously crafted with accuracy and features seamlessly integrated threads, guaranteeing a secure and stable connection. 4[Wide Applications] Suitable for use with tripods, observation piers, and base centering poles, this adapter offers versatility and compatibility for various surveying tasks. 5[Compact and Portable] This prism adapter is easy to transport and convenient for fieldwork, ensuring efficiency and ease of use during measurement tasks. 1 x Prism Adapter