These beads, about 38, are on 15 - 16 inch strands, temporarily strung, usually on monofilament (plastic fishline).
The holes are relatively small, about 1mm. You won't be putting leather through them.
They are drilled top to bottom.

Click on an image or product name to see a larger picture and more info.

Combine ALL individual bead strands to get the pricebreaks.