This double socket mount arm is designed for any device featuring a 1" ball head. Compatible with RAM B size mounts for holding GPS phones tablets, etc. With the double 1" (25mm) ball adaptor, you can extend your mount more closer to your desired position Sturdy Construction - The Double Socket Arm with 1" Ball Adapter is crafted from high-quality aluminum alloy and plastic, ensuring exceptional stability and a long lifespan for reliable performance 360 Degree Angle Adjustment - The adapter for Ram allows for almost any angle mounting of your device Anti-slip Finish Ball - The ball set has a corrugated finish that will firmly hold the device at your set position and will not droop Versatile Applications- Ideal for a range of environments, this extension mount arm for ram is perfect for boat, motorcycle, truck, and vehicle mounts, ensuring you can effortlessly access your devices while on the go Double Socket Arm with 1" Double Ball Adapter Compatible with RAM B Size Mounts, 360° Rotation Extension Rod for Phone Holder, Tablet Mount, for Bike, Motorcycle, Truck (3.74" Long Adapter)