Singer 31-15 Sewing Machine Double Groove Piping Foot 36069DG-1/8 31-15 DOUBLE GROOVE PIPING (36069DG.125) Description: FITS MOST SINGER NEEDLE DROP FEED STRAIGHT STITCHLOCKSTICH MACHINES. (CLASSES: 31, 44, 95, 96 191D195K 241, 245, 251, 281, 331K, 366K, 400W, 451K, 491,591D, 600W, 660W, 770, 771 1300, CENTURION, 121D ANDSIMILAR MODELS OF CONSEW, BROTHER JUKI, NAKAJIMATACSEW AND OTHERS.