Features: Broad Compatibility Design: This aluminum fish finder mount features 1.5inch/38mm ball joint for wide adaptability with different brands. Its square base connects easily to various arm systems, ideal for anglers switching between devices frequently. Sturdy Aluminum Construction: Made from strong aluminum with detailed machining and coated face, this mount provides great stability and lasting quality. It withstands harsh marine environments better than plastic mounts, keeping devices safe for dedicated fishermen. Simple Setup Without Tools: The standard hole pattern square base allows fast assembly without tools, saving effort. Perfect for users who need quick setup, especially during urgent fishing trips. Full Adjustability: The 1.5inch ball joint proposals complete rotation for flexible viewing positions. This removes fixed angled limitations, allowing better underwater visibility from multiple perspectives while fishing. Strong Resistance to Rust: Specially finished metal parts provide high resistance to seawater exposure, ensuring stable use in marine conditions. Ideal for boats used often at sea, enhancing product lifes. Specifications: Materials: Aluminum Alloy Parameters: 1.5inch/38mm ball head Size:as picture show Color: Black Package Includes: 1PC Aluminum Fish Finder Mount note: Please allow 0-1cm error due to manual measurement. make sure you not mind before bid. Due to the differences between different monitors, the Pictures may not reflect the actual of the item.