Features: Revolutionize your mounting experience with 360 degree rotating ball head adapter, seamlessly converting 1/4" threads to 17.4mm for universals compatibility with cameras, tripods, and phone mounts, ensuring effortless device connection. from plastic, iron, and aluminum materials, this adapter features efficiently transforms 1/4" interfaces to 17.4mm ball heads, offering mounting solution for various accessories. for enthusiasts, vloggers, and professional who demand stable and flexible equipment installations, this adapter caters to users seeking mounting option for photography and videography gear. for scenarios like live streaming, photography, or motorcycle navigation, this adapter ensures secure device mounting, providing support in dynamic environments. Enhances your setups with essential ball head adapter, bridging existing and new device to create accessory for mobile users. Specifications: Materials: Plastic + Iron + Aluminum Diameter: 17.4mm Total length: 95mm Color: Black, Silver(optional) Package Includes: 1PC Ball Head Adapter note: Please allow 0-1cm error due to manual measurement. make sure you not mind before bid. Due to the differences between different monitors, the Pictures may not reflect the actual of the item.