MK1LM(一号刀头) 适用线径范围: 0.2mm – 0.8mm直径
MK3LM(三号刀头) 适用线径范围: 0.6mm – 2.0mm直径
MK5LM(五号刀头) 适用线径范围: 1.2mm – 4.5mm直径