Lyeiaa Aluminum Alloy Fish Finder Mount Compatible with Humminbird Helix 5 and 7 Series, C Size 1.5" Ball, 5.19" Medium Arm and Rectangular Plate & Round Base Marine Electronic Mount for Boat & Kayak

["Heavy-Duty Aluminum Alloy Construction – Made from premium aluminum alloy with a corrosion-resistant finish, this mount is stronger and more durable than plastic alternatives. Designed to withstand vibration, wind, and rough waters without flexing or loosening over time.","Upgraded 1.5\" C Size Ball for Maximum Stability – Our 1.5-inch C size ball system offers superior holding power, keeping your Humminbird Helix 5 or 7 series securely in place even at high speeds or in choppy conditions.","Fully Adjustable 360° Viewing Angle – Dual ball-and-socket design allows smooth 360-degree rotation and infinite tilt adjustment. Easily raise, lower, swivel, or rotate your fish finder to achieve the perfect viewing angle while fishing or navigating.","Versatile Marine Installation – Ideal for boats, kayaks, and small or angled mounting surfaces. Includes a round base and rectangular plate for secure attachment on fiberglass, aluminum, or flat surfaces. A reliable upgrade for serious anglers.","Precision Fit for Humminbird Helix 5 & 7 Series – Designed for Humminbird Helix 5 and 7 models, including Helix 7, Helix 5, HELIX 5 DI, HELIX 5 DI GPS, HELIX 5 SI GPS, HELIX 5 SI GPS KVD, HELIX 5 SONAR GPS, HELIX 5 SONAR, and HELIX 5 XD GPS. Pre-drilled mounting plates ensure easy alignment—please review the dimension diagram to confirm hole alignment before installation."]