Description
For Singer industrial models 31-15, 44, 95 and 96 class, 196K, 241 and 251 class, 245, 331K, 400W, 451K, 600A, 600W, 1191D, also many 31 type–Brother, Consew, Juki, Rex and most other lockstitch machines, chain off light to medium weight, large needle hole
