1LONG LASTING CONSTRUCTION: This prism rod adapter is made of stainless steel and is ideal for workplaces, possess excellent ductility and erosion resistance 2FINE WORKMANSHIP: Prism pole adapter is made after exquisite casting, integrated molding, bring accurate detail processing, and neat thread inside 3WIDE APPLICATION: Prism adapter is suitable for tripod, observation pier, base alignment rod RTK, prism and other equipment alignment connection 4MAIN FUNCTIONS: This prism pole 5/8in11 connector adapter is used to fit a prism, which is a measurement adapter for GPS or RTK base connector 5LIGHTWEIGHT AND PORTABLE: The total station quick release adapter take up almost no space and is light enough to carry to the job site in your pocket 1 xTotal Station Quick Release Adapter