Master mechanic, 19 piece, air accessory kit with case, kit consists of 1 each of the following: male connector, female connector, quick coupler, tire chuck, high pressure nozzle, inflating needles, rubber blow gun nozzle, air blow gun, tire gauge, thread seal tape, 1/4″ hose, 4 male quick connectors, 2 female quick connectors & 2 tapered nozzles, all couplers & plugs are 1/4″, industrial milton design & fittings are all 1/4″ pipe thread.