These beads are on 15 - 16 inch strands, temporarily strung, usually on monofilament (fishline).
The holes are relatively small, about 1mm.
You won't be putting leather through them.
Diamonds my be a girl's best friend, but they aren't stringer friendly with their aggravating overbites.

Combine all the individual strands (mixes not included)
listed in the SEMI-PRECIOUS BEADS category to get the pricebreaks.