... and nuts,nipple,insulation. stainless steel metal hose1.Diameter: DN8mm,DN12mm,DN16mm,DN20mm flexible hose.2.material:SUS304,316L(annealed,bright)3 ... .fitting:brass male,female,nut,nipple6.gasket: PTFE gasket7.washer connector DNIDODPitchThicknessMaterial (strip)Surface hoseMax length per reel12mm12±0.215.9 ... .232.5±0.26.0±0.30.3SUS304Annealed25m stainless steel metal hose