Upper & Lower Knife for Elna 654 Viking Huskylock s21 s25 Pfaff coverlock 3.0 4.

Huskylock s21 and Huskylock s25. coverlock 3.0 and coverlock 4.0. fits for Elna Serger Models fits for Pfaff Serger Models fits for Husqvarna Viking Serger Models "1 Pcs Upper Knife+ 1 Pcs Lower Knife for Serger Sewing machine.

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