Singer Class 15 Shuttle Hook For Home Sewing Machines. Part # : 2515ZW. Alternate part numbers : 074097, 128581001, 128581022, 128581053, 301132004, 316345, 395712-55, 416392101, 532096007, H71173000, T2515Z, V62043000 Fits Alphasew models : 653FA Fits Baby Lock models : B15, B17, B21, BL1000, BL1050, BL1108, BL1400, BL1500, BL1556, BL2000, BL2160, BL2200, BL2300, BL2400, BL2500, BL25A, BL2800, BL3500, BL500, BL7000, BL702, BL712, BL713, BL722, BL9, Companion 1550, Creative Pro BL37, Denim Pro BL16, Denim Pro BL18, Design Pro BL22, Design Pro BL23, Maria BL23A, Natalie BL18A Fits Bernina models : 5-Series Model 530, 534, 540, Bernette 715