What's in the Box: Includes: 1 × Aluminum Alloy Square Plate Base, 1 × 2.36" Double Socket Arm, 8 × M4 Screws, 4 × Nuts, and 4 × Wall Anchors. Premium Aluminum Alloy Construction: Crafted from high-strength aluminum alloy, this base delivers exceptional durability, corrosion resistance, and long-lasting reliability, even in demanding environments. The 1" rubber-coated ball ensures superior grip, provides shock absorption, and prevents slipping for a rock-solid hold. Secure AMPS Drilled Base with 4-Hole Pattern: Compatible with RAM Mounts and Other B Size 1 Inch Ball Mounts. Features the industry-standard AMPS 4-hole pattern, making it an ideal mounting plate for electronic devices. Securely mount for smartphones, tablets, RV cameras, fish finders, GPS plotters, navigation units, radios, and various Garmin/Lowrance/Humminbird/Raymarine devices. Pre-drilled holes enable ultra-stable, hassle-free installation on dashboards, walls, or desks. (Note: Professional consultation is recommended for vehicle installation; avoid sensitive areas). 360° Adjustable Ball Head: The flexible, rubber-coated ball head allows for smooth 360° rotation and multi-angle positioning. Simply tighten the locking knob to instantly secure your preferred viewing angle for optimal visibility and convenience. Versatile & Wide Compatibility: Provides a robust and adaptable mounting solution for a wide range of vehicles and settings. Perfect for use in cars, SUVs, trucks, ATVs, boats, kayaks, workspaces, walls, and desks—delivering a solid foundation for all your mounting needs. FPN 1" Ball Mount with Aluminum Alloy Square Plate & Short Double Socket Arm, Universal Electronic Device Mounting Base with AMPS Holes for Garmin, for RAM Mounts