This 17mm ball head adapter features 90° angled and 350° rotation for flexible mounting on cameras, smartphones, and GPSd devices Its grip ensures stable fixation on uneven surfaces, enhancing composition for capturing crisp images and videos for photographers, videographers, and outdoor enthusiasts who require mounting solution for action cameras, mobile accessories, or navigation gear from aluminum alloy, it include 1 / 4 " 20 male thread adapter for secure attachment to tripods, gimbals, and phone holders Perfect for scenarios like helmet mounting during sports, tripod attachment for stable photography, or setups in vlog and adventure filming