Push-Lock Fittings, Quick Fittings 1:Application:Compressed Air,Fluid 2:Materials: ... rapid pneumatic fittings, rapid pneumatic fittings for plastic tubes, banjo pneumatic fittings, etc.Push-Lock FittingsTube OD: 04, 05, 06, 08, 10 ... tool, lathe suchas application if corrosive environment SP series. Push-Lock Fittings