Instruction: Generate an answer to the question by utilizing the information contained in the document.

Input:
Question: What is the diameter of the narrow stem?
Document: The stem on this is WAY too narrow to let the spices/powders flow easily into the container. More trouble than the $3.xx + shipping I paid. Going back! !
The oil can't pass through fast enough.Measurements:2 1/4" from top to bottom - 1 1/4" of these inches is stem2" bowl diameter5/16" stem diameter
this is a stainless steel mini funnel. i bought it to replace the one i lost to match my flask, but this is slightly bigger than i expected: it's a 1.5&#34; diameter across the opening.
It's much smaller than I expected it would be. I don't know the size of a flask funnel, but I'll bet that's the intended purpose of this funnel.It seems well made; however, it is not a one piece funnel. It is constructed from two pieces of steel, with a seam between the bowl and the stem.The bowl is very shallow. If you don't pour slowly and carefully, the liquid will spill over the rim.
things get stuck in it, not too happy with the buildnot worth it for 5$, not sure if i can find anythign else either thoughEdit : Regarding the size, I see that dimensions have been mentioned now in the descr. I'm not sure if they were mentioned while I purchased, otherwise (partially) my bad. I say partically because the image is extremely misleading. It appears way too huge in the pic since there is no other relative object in the pic.
Wish it was a little larger as spices get stuck in the neck. I would not buy again at this price.
Well made and just right size for hole to fill individual salt and pepper shakers sold in small metal frame. I gave this with set of individual salt and peppers to niece, who hosts family holiday meals. She seemed genuinely pleased
Very nicely made. does the job well when funneling out salt or pepper into shakers. Works well with abything that pours.
Too small to be used often but it is okay. I don't particularly regret buying it. I just don't think I will use it much.
This one is made of good quality materials and comes with a nice little chain to hang it up with, but lacks a seam (or dimple) for air to escape from the bottle you are trying to fill via the funnel.As a result, you (or your sous-chef) must hold it up off the lip of the container you're refilling and that's very inconvenient.
Answer: 1/4"