Features: This 360 degree rotating 17mm ball head to 1/4-20 male thread adapter enables seamless compatibility with cameras, smartphones, tablets, and magnetic mounts through its versatile double connection design. Crafted from lightweight plastic, the tool less installation mechanism ensures scratch resistant performances while maintaining optimal stability during pan/tilt adjustments in photography setups. Ideal for professional videographers, vloggers, and technology travelers seeking multi device mounting solution across tripods, gimbals, and car dashboard installations. Perfect for stabilizing action cameras during outdoor adventures, positioning LED rings lights in studio shoots, or securing mobile devices on telescopic monopods for dynamic content creation. Its standardized 17mm socket and universally 1/4" screw thread bridge compatibility gaps between modern mobile accessories and traditional photography gear, offering future proof expandability for creative workflows. Specifications: Component: plastic + metal Size: Approx.55x25mm/2.17x0.98inch Color: black 17mm female ball socket to 1/4 external screw adapter Package Includes: 2pcs 17mm Female Ball Head Adapter note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. 2.Due to the differences between different monitors, the picture may not reflect the actual color. Thanks for your understandings.