NEEDLE PLATE Singer 31-15 chain off regular

For Singer industrial models 31-15, 44, 95 and 96 class, 196K, 241 and 251 class, 245, 331K, 400W, 451K, 600A, 600W, also many 31 type–Brother, Consew, Juki, Rex and most other lockstitch machines, chain off with marks