1. Stable and Sturdy StructureThe ball head part of this mounting base is equipped with a builtin metal rod core, providing stability and structure. The industrial rubber exterior features a matte finish design, delivering antislip performance. 2. **MarineGrade Aluminum Alloy**: Made from marinegrade aluminum alloy, the square plate part of this base is exceptionally robust, strong, and durable. It can withstand various demanding environments and operating conditions. 3. **Secure and AntiTheft Design**: This base includes a safety and antitheft button that requires a Torx key for tightening, ensuring your bracket and fish detector remain firmly in place without the risk of theft or tampering. 4. **Impressive Load Capacity**: The combined bracket can support a static load of approximately 2–5 kg, making it stable and shockresistant. It can securely hold your fish detector even under harsh conditions.