Enhanced Stability and Safety: Our triple suction cup base with a 1" rubber ball ensures superior stability and safety, even during high-speed racing or off-road adventures. Durable Construction: Made of a combination of metal and plastic, the base features thick elastic resin suction cups that securely hold your device in place. Compatibility: Compatible with RAM B size mounts and all industry-standard 1-inch (25mm) B Size Adapters and Double Socket Arms, ensuring versatility and ease of use. Heavy-duty Performance: With a static load capacity of 5kg (11lbs) and a recommended working temperature range of -10°C to 40°C (14°F to 104°F), this base is suitable for various environments and applications. Reliable Support: Designed for use with ball phone mounts,action camera mounts, tablet mounts, this mount provides reliable support for your device while driving, ensuring a safe and secure attachment. Triple Suction Cup Car Base Mount with 25mm/1" Ball for ball Phone Mount,Compatible with RAM Mounts and other B Size Double Ball Socket Arm