Feature: 1. STABLE CONSTRUCTION: This quick release adapter is made of aluminium alloy to ensure that its integrity is maintained during continuous wear in the field 2. SECURE CONNECTION: With accurate engineering and long lasting materials, this adapter ensure a stable and reliable connection for your measuring tools 3. MAIN FUNCTIONS: This prism pole adapter is used to fit a GAD103 straight joint to a tripod adapter or prism rod, which is a measurement adapter for GPS or RTK base connector 4. WIDE APPLICATION: Suitable for a wide variety of GNSS measurement applications, this prism pole adapter is a must have tool for professionals 5. LIGHTWEIGHT AND PORTABLE: The total station quick release adapter take up almost no space and is light enough to carry to the job site on your pocket Specification: Item Type: Prism Pole Adapter Model: GAD103 Material: Aluminium alloy. Package List: 1 x Prism Pole Adapter