This is a cadmium lug nut which is what the model A had on it when it rolled off the assembly line. Sold individually or in a set of 23. USA
While not correct, these will also fit on 1926-27 model T's with wire wheels and early 28 model A's.
Same original shape but these are chrome plated instead of being cad plated. These nuts will fit 1928-31 model A's. Sold individually or in sets of 23.
While they're not correct for 1926-27 model T's with wire wheels, they will work.