Fits Industrial Sewing Machines:
BERNINA: 217N
SINGER: 20U, 281-1, 281-3, 281-20, 281-22, 281-33, 191, 491, 591.
PFAFF: Most Straight Stitch Models
Needle Systems:
135x5, 135x7, 135x11, DPx5, DPx7, DPx134, 134, 134R, 797, SY1901, SY1903, SY1905, SY6790