The 1st bead is a 3mm dangle bead.
It is just here to show size relevance.




The 2nd bead is a #11 Czech bead.
It is about the same width as the Japanese bead but a little shorter.
It is not a wide as the Delica bead, but about the same height


The 3rd bead is a #11 Japanese bead.
It is the biggest of the 3 in both direction



The 4th bead is a # 11 Delica bead.
It is narrower than both of the others.
It is about the same height as the Czech bead.