Durable and Reliable: Crafted from high-quality aluminum alloy with oxidation resistant treatment, ensuring long-lasting durability and stability even in harsh environments. Wide Compatibility: Designed specifically for 17mm swivel ball mounting pattern, compatible with a range of Garmin devices and phone holders. Perfect for Garmin Nuvi Dezl Drive Drivesmart Zumo RV and other devices utilizing the 17mm ball joint. Industry-Standard Design: The diamond plate features AMPS hole pattern with a center distance of 1.912"(48.6mm), providing a secure and stable mount for your devices. Superior Adjustability: Equipped with dual 360-degree rotating joints, allowing for universal adjustment and optimal positioning for your devices. Easily find the perfect viewing angle every time. Package Included: 1x diamond plate, 1x Double socket arm, 1x ball to ball adapter, 4x screw, 2x nuts.