The Progressive Policy Institute wonders about this:

Utterly mysterious fact: the United States seems to be the only country to discriminate by the “length” of silverware. If a fork is 27 centimeters or longer, the rate is 8.5% plus half a cent per fork; at 26.9 cm or less, it jumps to 15.8% plus nine-tenths of a cent per fork. Does anyone know why?

Do you know whether US tariffs are higher on gold plated silverware or stainless steel silverware? Read the rest of the article to find out.