Push-Lock Fittings, Quick Fittings 1:Application:Compressed Air,Fluid 2: ... pneumatic fittings for plastic tubes, banjo pneumatic fittings, etc.Push-Lock FittingsTube OD: 04, 05, 06, 08, 10, 12, 14 ... insert the tube and pull out without any tools. The fitting with safety sealing, and it's thermostable. In addition, ... tool, lathe suchas application if corrosive environment SP series. Push-Lock Fittings