(1)1mm: width 1mm, wire thickness 0.25mm, last link hole fit wire no more than 0.4mm. (2)1.1mm: width 1.1mm, wire thickness 0.27mm, last link hole fit wire no more than 0.5mm. (3)1.2mm: width 1.2mm, wire thickness 0.3mm, last link hole fit wire no more than 0.5mm.
