This 1/4 screw thread to 17mm ball head adapter is a necessory for anyone looking to link various mounts together. Whether you're a professional photographer or just someone who loves taking photos, this adapter is perfect for you. It is also great for anyone who needs to mount their phone or camera in different locations. Use this adapter to link your phone or camera to a tripods, or any other mount with a 1/4 screw thread. It is perfect for capturing stable shots and videos in any setting. Made-of , this adapter is and easy to use. Package includes: 1x Joint Adapter