Needs cleaning. Feed dog 52031 has 19 teeth.
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. For regular sewing.Use with any of these three needle plates: # 143272 (Medium Hole), # 52032 (Large Hole), 52033 (Small Hole).