1. Adjustable ball joint design - Enables flexible positioning of your fish finder at any time - Lets you set the optimal viewing angle for clear sonar readings 2. Lightweight and durable - Made from high quality nylon - Lightweight construction that maintains long term performance without adding unnecessary bulk to your setup 3. Versatile drilling mounting solution - Features a flat mounting surface designed for drill mounting - Ideal for securely holding large fish finders on your kayak or other platforms 4. Smooth 360-degree rotation - Provides a full range of motion for quick adjustments - Easy to install and reconfigure on your rail system Key attributes - Material: high quality nylon - Assembly: compatible with drill mounting on flat surfaces - Function: adjustable ball joint with 360-degree rotation - Use: suitable for securing large fish finders on kayak rail systems Use scenarios - Kayak fishing on moving water: adjust the angle to maintain optimal sonar coverage while tracking your line and reading bottom structure. - Small boat deck installation: mount on a flat surface with drilling to securely hold a large fish finder, providing stable readings during tidal or choppy conditions. - Modular setup across watercraft: the 360-degree rotation allows quick repositioning on different rail systems or tracks, enabling easy sharing of a fish finder between boats or setups.