4.5mm: 85 pieces per strand, hole size approx. 1mm
6.5mm: 60 pieces per strand, hole size approx. 1mm
8.5mm: 40 pieces per strand, hole size approx. 1mm
10.5mm: 35 pieces per strand, hole size approx. 1mm
12mm: 30 pieces per strand, hole size approx. 1mm