Features: This 17mm female to male ball head extension rod delivers universal suitability, seamlessly connecting phone mounts, tripods, and photography gear with its double 17mm/1/4" screw conversion design. Crafted from easy carry yet strong plastic, the adapters features a rotates joint for 360 degree angle adjustments and double purpose threading (17mm female socket to 17mm male ball head or 1/4" screw). Ideal for content creators, photographers, and vloggers needing flexible mounting solution for smartphones, tablets, or small cameras during live streams or outdoor shoot. Perfectly integrates with circle lights, desktop tripods, magnetic car mounts, and DSLR rigs to stabilize devices in vertical/horizontal orientations for professional grade filming. Enhances your filming setups effortlessly – this adapters bridge this space between standard 17mm ball head accessories & 1/4" threaded equipment, ensuring crossing platform suitability. Specifications: Material: Plastic Size: 7cm/3inch in total length, 17mm/0.7inch in diameter of ball head Thread: 1/4 Package Includes: 1xBall Head adapters note: Please allow 1 to 3cm error due to manual measurement, please make sure you not mind before you bid, Due to the differences between different monitors, the picture may not reflect the actual colorful of the item.