This latest release from Master features a 1/32 MiG-21PF, PFM (Fishbed D, F) pitot tube (1piece) machined out of metal.  

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The quality of the machining has to be seen to be appreciated........this is amazingly detailed and of the highest quality.  This set includes 1 turned metal pitot tube. It is very simple to use on your model, and makes it extremely realistic. Simply cut off the original plastic pitot tube and drill a hole in the remaining parts and insert the metal barrel using Cyanoacrylate adhesives.

This pitot tube is wonderfully crafted...tapered in all the right areas and the tip is even hollow.  This would be a vast improvement over the plastic kit parts.

You can purchase this and other fine detail items directly from the Master website.