Application?? Perfectly fit for all Helix 10 models, all Helix 9 models, and all Helix 8 models. 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. Installation?? This kit comes with instructions for easy installation. 1) Mark and drill four mounting screw holes using a 5/32” (4 mm) drill bit. 2) Place the mounting bracket, fill the mounting holes with marine-grade silicone sealant. .
eBay