Arkon's SP25EXT2515 extension pole allows you to connect or extend the length of car seat rail or floor gooseneck or other mounts with a 25mm (1 inch) mounting pattern to other 25mm mounts. This bendable metal extension pole measures 15.5 inches (394mm) from end to end and is compatible with Arkon Robust Mount models as well as 25mm mounts and pedestals from other manufacturers (sold separately). This includes only the 15.5 inch extension pole with double 25mm ball sockets. (Mounts, holders, and devices sold separately.) Secure the extension pole onto any mount or pedestal accommodating the 25mm (1 inch) ball pattern.