Wide Application ranges Perfect for tripods, cameras, car displays, phone holders, soft tube mounts, and webcams, enhancing versatility in multiple setups Universals Compatibility This 17mm ball head to 1 / 4-20 adapter works with cameras, phone mounts, tripods, rings lights, and more, ensuring seamless integration with various devices Easy Conversion Quickly convert your existing 17mm ball head mounts to accommodate standard 1 / 4-20 threaded accessories like cameras and lighting equipment from and metal, this adapter for long use Standardized Design Features 17mm female ball socket and 1 / 4-20 male thread, complying with industry standards for camera and accessory mounting