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 ... R1/2, N1/8, N1/4, N3/8, N1/2Material:Body: Brass Nickel-PlatedGripper: Brass Nickel-PlatedGripping Collet: AISI 301 (GP ... , lathe suchas application if corrosive environment SP series. Push-Lock Fittings