Buy an AdirPro Fixed Tribrach Adapter 700-00 to improve the positioning of your surveying instruments, and the accuracy and reliability of the measurements you take with them.
The heavy-duty AdirPro Fixed Tribrach has a solid base plate and matches industry standards and expectations for rigidity. Use the AdirPro 700-00 to attach GPS, GNSS, retro prisms, and other optical and lightweight instruments to your tripod.
A central stud with a standard 5/8" x 11 thread makes the AdirPro Fixed Tribrach 700-00 compatible with products from CST/Berger, Leica, Nikon, Pentax, Sokkia Topcon, Trimble and more.
If all that is not enough, you may be interested to know that the AdirPro 700-00 Tribrach has large diameter foot screws, so you can leave your work gloves on, even when making minor adjustments for the perfect reading.