Features: This universals ball head adapter offer seamless compatibility with wide ranges of action cameras, for easy portability and quick installation to enhances your filming setup. from ABS plastic and metal, it includes secure 1/4 screw to 17mm ball head interfaces for mounting and performances in demanding conditions. Ideal for photographers, adventurers, and content creators who need mounting solution for their action cameras during outdoor activities and professional shoots. Perfect for mounting on cars, bikes, or tripods, enabling stable and recording in diverse scenarios like travel, sports, and everyday filming. Engineered for durability, this ball head adapter withstands rigorous use, ensuring long lasting reliability as an essential camera accessory for all your creative projects. Specifications: Materials: Plastic+metal Color: Black Quantity:2Pcs, 5Pcs(optional) Package Includes: 2/5Pcs 17mm Hole to 1/4" Screw 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.