which one is standard ?
left:30mm(black:3mm,white:4.2mm,red:15.5mm)
middle :31mm(black:4.2mm,white:4.5mm,red:13.5mm)
right:29mm(black:3mm,white:5mm,red:13mm)
small ribbon:16mm(black:2mm,white:2mm,red:8mm)
right or wrong ?
left:30mm(black:3mm,white:4.2mm,red:15.5mm)
middle :31mm(black:4.2mm,white:4.5mm,red:13.5mm)
right:29mm(black:3mm,white:5mm,red:13mm)
small ribbon:16mm(black:2mm,white:2mm,red:8mm)
right or wrong ?
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