4.5mm : 85 pieces per strand, hole size approx. 1mm
6mm : 60 pieces per strand, hole size approx. 1mm
7.5mm: 45 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
12.5mm: 30 pieces per strand, hole size approx. 1mm