An electrical upgrade part, that replaces any Tamiya plug and socket. Constructed to handle high electrical currents, it is made from heat-resistant polymer with large circuit contacts. Providing better contact surface and less electrical resistance then any standard plugs. This upgrade part will handle even the most extreme upgrades. Plug and socket set.Large contact surface.Heat resistant polymer.Held in place with spring tension.Heat shrink tubing included. NOTE: Requires soldering.