The Ultralight BA-HB Ball with 1 1/2 x 1/4″-20 Through Bolt and Washer is a versatile and durable mounting solution for a wide range of equipment and accessories. This ball mount is designed to be lightweight and easy to use, making it perfect for photographers and videographers who need to quickly adjust their equipment on location. The ball is made from high-quality materials and features a 1 1/2″ diameter and 1/4″-20 thread, making it compatible with a wide range of equipment and accessories. The through bolt and washer provide added security and stability, ensuring your equipment stays securely in place during use. This ball mount is ideal for use in photography, videography, and other industries where equipment needs to be mounted securely and quickly. Overall, this is an essential piece of equipment for any professional photographer or videographer looking for a reliable and durable mounting solution.