Material: Stainless steel;Pressure Rated:4000 PSI,Max Pressure: 5000 PSI Size:6mm thread,Stem OD that insert into magazine is 6 mm Accurately, stable characteristics, with Seal O-rings, reliable and no leakage Quick disconnect probe: Filling probe replacement, straight stem Threaded - Fitted with standard 6mm thread to fit directly to most pump or bottle hoses,Material: Stainless steel;Pressure Rated:4000 PSI,Max Pressure: 5000 PSI,Size:6mm thread,Stem OD that insert into magazine is 6 mm,PCP Paintball Quick Filling Charging Probe