Half the shelf takes a needle upright
On this page11
Heights are recorded for 237 of the 251 containers
Fourteen rows record none. For the rest the range is 0.5 to 6.745 inches with a median of 2.5.
The distribution thins quickly above the median
235 reach one inch, 219 reach 1.5, 162 reach 2, 121 reach 2.5, 78 reach 3, 39 reach 3.5, 21 reach 4, 14 reach 5 and 5 reach 6.
So the useful reading is a halving at every half inch
From two inches to four the count falls from 162 to 21. Each additional half inch of height removes roughly a third of the remaining shelf.
An embroidery needle is a one and a half to two and a half inch object
Which puts it in the part of the distribution where there is still plenty of shelf: 219 rows reach 1.5 inches and 121 reach 2.5.
A beading needle is the harder case
At three inches the shelf is down to 78 rows, and at 3.5 it is 39. A long beading needle is close to the point where the shelf starts refusing it.
And the figure is an outside height, which is the important caveat
The catalog records the container’s own dimension. Interior depth is less by the thickness of the base, and a needle laid in a closed jar also has to clear whatever the lid occupies.
So the honest statement is about a margin, not a fit
A 2.5 inch needle in a container of 2.5 inches outside height does not fit. The same needle in a three inch container probably does. The page states the numbers and does not convert them into an interior claim.
Fourteen rows cannot be checked at all
No recorded height means no answer to this question from the catalog, and no inference either. An unrecorded dimension is a record of what was not captured and not a statement about the container.
The tall rows are also the narrow rows, which limits their use
The two tallest shapes on the shelf are 6.745 by 1.95 inches and 6.664 by 2.39. Both hold needles comfortably and neither is a sensible container for loose floss, because the hand cannot reach the bottom.
Which is the trade this group keeps running into
Depth for the needle, reach for the floss. No single row on this shelf is the best answer to both, and that is a property of the shelf rather than a gap in it.