Versatile Mounting: The FANAUE Ball Adapter with 1/4"-20 Threaded Post features a rubber and stainless steel 1" ball that can be mounted on DA-90 DA-60 for more expansion, making it an excellent choice for a wide range of applications. Durable Construction: Crafted from high-quality rubber and stainless steel, this ball adapter is designed to withstand heavy use and resist wear and tear, ensuring long-lasting performance. Easy Installation: The adapter's 1/4"-20 threaded post allows for quick and easy installation, making it a convenient and hassle-free option for mounting your devices. Wide Compatibility: Compatible with Ram Mounts Male Threaded Camera Post Mount universal b size Adapter with 1/4"-20 1" ball accessories arm motorcycle phone holder inch rubber fanaue, this adapter can be used with a variety of accessories to meet your mounting needs. Secure Mounting: The rubber ball provides a secure grip, ensuring your device stays in place even when subjected to vibrations or bumps, making it an ideal choice for use in challenging environments.