Adhesive 17mm Ball Mount with Extension Adapter for Car Phone Holder, Tri-Fold Adhesive Base for Mounting on Car Dashboards, 17mm Ball Head Stand Base Compatible with Garmin Nuvi GPS Navigator Universal CompatibilityThis 17mm ball base is designed for seamless compatibility with both phone holders and Garmin devices that utilize the standard 17mm swivel ball mounting system. Secure Tri-Fold Base for Complex SurfacesFeaturing a unique tri-fold design with three contact points, this base delivers superior grip and stability on various complex surfaces, including uneven car dashboards, preventing slips or falls. Superior Adjustability with Dual 360° RotationEquipped with dual 360° swivel joints, this mount allows for extensive and universal adjustments, enabling you to effortlessly position your device for the optimal viewing angle. Durable & Long-Lasting Aluminum ConstructionCrafted from high-quality, durable aluminum alloy, this base is built to withstand harsh conditions