1, MDK-61 2, for elastic tape feeder 3, mounted on machine head ... device Machanical metering device MDK-61 for overlock only Item nameMachanical metering device for elastic tapeModelMDK-61Usageelastic tape feeder, to ... - 61 JUKI 6700 1 2 31, MDK stands for machanical metering device for overlock machine only.2, 61: item number, ... is available as well. Machanical metering device for overlock MDK-61