Features: 1. Application: Perfectly Fit for GO9, NSS7 evo3 and Cruise 9, and B&G Vulcan9, Zeus3 7. 2. Function: Designed to secure the control head on your boat. You can adjust the control head to a desired viewing angle, and ratchet teeth in this gimbal bracket provides a positive grip to reduce the screen shake, ensuring operators can read the display screen clearly. .