The Kara Square Flange Base is a heavy-duty mounting plate designed for permanent control point installations. Measuring 4-3/4" x 4-3/4" and 0.5" thick, it features a 5/8"-11 male thread compatible with most surveying instruments and accessories.

Pre-drilled holes are spaced 3-5/8" apart, making it easy to secure to a variety of surfaces. Ideal for use in construction, monitoring, and long-term surveying setups requiring stability and precision.