XZT 1/4" Female 4000psi Sewer Jetter Nozzle (S16),button Nose,Pressure Drain Jetter Hose Nozzle Orifice: 1 front 6 back Max. Pressure:4000PSI Nozzle O.D. Max: 0.75"/19mm Inlet: 1/4" Female Material:Stainless Steel