Taprite T742HPN N2 Regulator is used to connect to a Nitrogen tank and regulate the output pressure to 0-60psi. Pressure can be manually adjusted with a screwdriver and can be "locked" witht he locknut. Contains a 0-3000 PSI cylinder gauge (LHT), one 0-60 PSI keg gauge (RHT), one output shutoff valve with check and 5/16" Barb (RHT), one safety relief valve, and a male thread CGA580 tank connector (LHT) with built-in rubber cylinder washer.