This knife is used for the following light buttonhole sewing machines :
– Brother class 812, 814, 815, 817
– Juki Class 761, 763, 773, 781, 782, 783, 784
– Durkopp Class 551, 555, 556
– Singer Class 71
It is available in the following sizes: 3.2 mm – 38 mm
Packing way: piece
