Feature: 1. Excellent Aluminum Alloy Material: This prism quick release adapter is made of excellent aluminum alloy material, which is sturdy and abrasion resistant, not easy to be damaged, and has a long service life. 2. Quick Release Button: This prism quick adapter features a quick release button that quickly disconnects the adapter from the rod, preventing costly worn thread repairs and saving installation and removal time. 3. Multifunctional: This prism GPS total station adapter is multifunctional, making the prism rod and triangular base quickly connect the prism for convenient use and very easy and convenient to operate. 4. Good Compatibility: This prism quick release adapter adapts well to any 5/8 x 11 inch female mounting stud, and can be used for GPS antennas, prisms, or any threaded accessory must haves, very practical. 5. Wide Application: This GPS surveying quick release adapter has a wide range of applications and can be used for measuring tunnels, bridges, roads, buildings, railroad, etc. which is very practical. Specification: Item Type: Prism Quick Adapter Material: Aluminum Alloy Size: Approx. 76mm / 2.99in. Package List: 1 x Prism Quick Adapter