The measuring point has a 5/8” thread for screwing on a prism or measuring instrument.When used as a fixed point on the floor, this point should be surveyed with a prism so that if necessary, e.g. suspected moving of the fixed point due to foul play, it can be checked quickly and easily.

• Anodized aluminum mounting plate for tribrach with 5/8″ thread
• 3 rebar pins for pre-pour installation
• Ideal for monitoring application
• Weighs 2.29 lb (1.04 kg)