1- A set for all sizes of fuel line removal for all cars. 2- A set for measuring piston pressure. 3- A kit for re-threading bolts and nuts. 4- A set for removing control arm bushings or ball joints by hammering. 5- A set of star-shaped sockets (one piece is missing). 6- A device for cleaning fuel injectors using vibrations. Connect to positive and negative battery terminals and then to the positive and negative terminals of the injectors.