Porter-Cable P17ACK Includes: (1)" Universal Connectors (1) Blow Gun (1) Tire Chuck (1) Tire Infiltrator with Gauge (4)" Quick Connect Male Industrial Fittings (2)" Quick Connect Female Industrial Fittings (2)" Male to Male Coupler Fittings (1)" Female to Female Coupler Fitting (2) Inflation Needles (for sports balls) (1) Tapered Infiltrator Nozzle (1) Safety Nozzle. This is a nice starter set of accessories that will bring a lot of flexibility to your. Instead of just driving nails and staples, your will be able to do tasks ranging from shop clean-up to filling tires and mattresses.