Professional-Grade Universal Compatibility,Equipped with a standard 1/4"-20 steel thread and 25mm TPU-coated ball head, seamlessly adapts for Insta360 X3/RS, for GoPro HERO 8-12, for DJI Osmo Action, and other cameras/microphones. Perfectly bridges communication devices (e.g., walkie-talkies) with photography gear, ideal for outdoor adventures, motorcycle vlogging, and multi-scenario shooting. Unmatched Durability with Anti-Shock TPU, CNC-machined stainless steel core wrapped in high-grip TPU layer surpasses normal rubber, providing 360° scratch resistance and impact absorption. Reinforced thread locking design ensures zero loosening even under extreme vibrations (e.g., off-road biking), backed by 5-year stress-test certification. Ecosystem Integration, Exclusive grid-textured base with B-size dual socket compatibility (for RAM Mount/and other brand) enables modular expansion – effortlessly combine with motorcycle phone holders, action camera rigs, or drone controllers. 25mm ball head matches 90% of pro accessories, transforming into a portable multi-device hub. What you get: 2pcs 1/4-20 Screw 25mm Ball Adapter. If you have any technical or unsatisfactory problems, plz contact us by clicking “RADIO MAX” that below the "Buy Now", and find the button "ask a question" 1/4"-20 Threaded Stud 25mm Ball