Features: This 17mm female ball socket to 1/4" male screw adapter enables 360 degree flexible rotation compatible with optimal device positioning, compatible compatible with car vent mounts, tripods, and action camera accessories. Crafted with plastic and aluminum alloy, the adapter features easy installation and four adjustable lengths (20cm/31cm/41cm/51cm) to ensuring stable mounting across various surfaces. Great compatible with driver, outdoor enthusiasts, and content creators needing safe mounting solution compatible with smartphones, tablets, or navigation devices during commutes or adventures. Perfect positioning device, capable of bending angles, can clearly see the road when positioning navigation, freeing hands in the car, or organizing work place in trucks and other vehicles. Easy to install, simply connection the 17mm socket end to a compatible air outlet/dashboard bracket. It can also be used compatible with desktop phone stands, live streaming stands, 1/4 external screw connection compatible with sports cameras, phone clips, fill lights, tablet clips, magnetic brackets and more. Specifications: Component: plastic + aluminum alloy Color: black Size: 20cm/31cm/41cm/51cm(optional) Total Length: approx. 20cm/7.87in, 31cm/12.2in, 41cm/16.14in, 51cm/20.08in Name: 17mm female ball head socket to 1/4 male external thread hose connecting rod Package Includes: 1 Piece 17mm Female Ball Head Socket to 1/4 Male Thread Hose Connecting Rod note: Other accessories demoed in the pictures is not included. Please allow 1-2cm errors due to manual measurement. Please allow compatible with slight color differences due to different display resolution.