700 x 16 inner tube.  This is the correct inner tube for use on the Willys M38 or M38A1 and M100 trailer assuming you are mounting the original style military tire which is a 700×16 NDCC tire.  Correct stem to fit your original M38 or M38A1 wheel.  Ask if you have any questions.  Tube is new and fresh stock.  Includes valve stem cap (not shown).

This is not a tractor or implement tube.  This tube is rated correctly for use in an auto, light truck, or jeep and is rated for road speeds.

700×16 tube w/TR15 stem:  $16.99 each