14mm – Approx 28 Beads Per Strand With 1.5mm Hole. 16mm – Approx 25 Beads Per Strand With 1.5mm Hole. 12mm – Approx 33 Beads Per Strand, With 1.5mm Hole. 6mm – Approx 62 Beads Per Strand, With 1.0mm Hole.