WINDFRD Fish Finder Mount with Extension(18.3") Arm, Compatible with Hummingbird Helix 5 and Helix7, 1.5" / C Size Ball, Aluminum

["Compatible with Hummingbird Helix 5 and Helix7","Sturdy and Reliable - This marine electronic mount made of extra-long arms is a valuable alternative to multiple ball/clamp connectors joined in line. Constructed of powder-coated marine-grade aluminum, corrosion-resistant composite materials to ensure strength while reducing the increased leverage of longer arms. Two ball joint adjustments provide more adjustment direction and options.","Designed for High Salt Marine Environment - The mount has been Salt Spray Tested for thousands of hours (including stainless steel bolts and springs) to resist high salt water corrosion. Cast in one piece of aluminum rather than screwed together, it remains strong and durable even under the impact of waves.","Universal Design - Includes a C size 18.3\" length double socket arm, a 6.23\" x 2\" universal marine electronic devices mounting plate and a 2.4\" diameter AMPS hole pattern round base. The ball and socket technology allows for near-infinite adjustability. Perfectly fits 1.5 inches / C size / 38 mm adapters and arms, Compatible with RAM Mounts, Arkon, iBolt and others.","Note: For best results, we recommend using this stand with screens up to 9 inches. Larger screens may not be properly supported."]