These stainless steel kidney ear wire are a a bit larger tan the regular size. This leaves you some room to add small beads on to the ear wire itself.
They measure 20x9mm.
The loop (or dip) is about 2.0mm. It measures above 16mm from the top of the wire down to the dip that holds the dangle item.
The thickness of the wire going through the ear is 0.6mm (about 22 gauge).