D-shape anti-rotation design Prevents the fixed axis rotating for safer use.
Fixed shafts of various sizes,12mm/22mm diameter meets the mounting requirements of most cell phone mounts,navigators and car recorders.
Lossless installation design Developed according to the original car data,the hole position is precise, don't need to change the original car structure.
22mm diameter meets the installation requirements,Suitable for most auxiliary light mount.