Socket is part of the 2005 Micron Booster assortments who turns into Toyota GT-One Le Mans-style race car. This same design was also used to make Six-Speed in Cybertron, and Blit in Galaxy Force. Socket is the 7th of the 12 Boosters sold in a blind-box style in Japan.
The combined form of the Universe Micromaster Aerialbots is Superion, an amalgamation of six robots plus their pack-in accessories that serve as connectors, head, and extremities of the gestalt warrior. While in Japan, the original source of the design ( Sixwing , 1992) was available in a collected set, this combiner needed to be purchased one bot at a time in the 2007 Universe release.
