To use this foot you must have/purchase a Snap on Shank #78 Easily Clips on or off the Shank/Foot holder For Sewing Denim Materials Will fit Bernina Categories: A and B Category A Models: 910, 930, 931, 932, 933, 940, 950, 1000, 1001, 1004, 1005, 1006, 1008, 1010, 1011, 1015, 1020, 1021, 1030, 1031, 1050, 1070, 1080, 1090, 1091, 1120, 1130, 1230, 1240, 1241, 1260, 1530, Category B Models: 125, 125 S, 135, 135 S, 145, 145 S, 210, B 215, 220, 230, 230 PE, 240, B 325, B 330, B 335, B 350 PE, B 380, 130, 140, 150, 153, 153 QE, 155, 160, 163, 165, 170, 430, 440 QE, B 555, B 570 QE, 630, B 530, B 550 QE