Features: Use our 17mm ball head to 1/4 external screw+1/4 internal thread adapter to seamlessly connection your phone or tablet clip to various brackets and mounts. Aluminum alloy and available in two colors, it allows you to convert the 1/4 interfaces to a 17mm ball head for wide compatibility. Very suitable for enthusiasts, video bloggers, and those who require stable and flexible equipment installation solution. Perfectly suitable for various scenarios, such as live streaming, photography conferences, or motorcycle navigation, ensuring that the equipment is always securely installed. This essential accessory can enhancing your setting and bridge the gaps between your existing and new devices, making it a must-have for all mobile device users. Specifications: Component: aluminum alloy Diameter: about 17mm/0.7 inches Total length: about 45mm Color: black, silver Package Includes: 1Pc 17mm ball head to 1/4 male adapter 1Pc 1/4 female to female adapter note: Other accessories demoed in the pictures is not included. Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.