Introducing the PanaVise 328 Standard Phone Mount Base, designed for versatility and ease of use. This robust mount features a base footprint with four strategically placed holes, allowing for secure installation on a 4.25" circle. You can choose between a convenient knob or a set-screw for adjustments, providing flexibility in how you set up your device. Whether you prefer to adjust from the right or left side, this mount accommodates your needs effortlessly. Plus, it accepts any 5/8" diameter shaft, making it compatible with a variety of devices. Elevate your mounting experience with PanaVise – order yours today!