300-psi capacity Regulator and transfer hose required to get nitrogen from tank to nitrogen Shock Gauge and Filler Bleeder valve and T-handle plunger pin chuck Swivel chuck has a 12" flexible hose Instructions, carrying box and Schrader valve extension included (required on some Showa shocks) Nitrogen needle is used to fill shocks with self-sealing rubber valves (some Yamaha, Fox and Ohlins) Instructions included Made in the U.S.A. WARNING: For use by trained professional mechanics only! Improper use could result in great bodily injury or death. NOTE: Nitrogen needle not available in NY, CT, IL, MA and RI.