Guaranteed to fit Babylock Models:
BL460B Vibrant

Guaranteed to fit Singer Serger Models:
1+, 14J344, 160th Anniversary, 5400 Sew Mate, 5500 Fashion Mate, 5560 Fashion Mate, 5625, 6160 Brilliance, 6180 Brilliance, 6199 Brilliance, 6660, 6669, 6680, 6699, 7258CL, 7258 Stylist, 7285Q, 7363, 7442CL, 8748 Heritage, 8768 Heritage, 90S, Experience 160, FQ4, Futura Quintet 5 in 1, Futura 5, One, S800, S900 Inspiration, SEQS6000 Futura Quartet, SEQS6700, XL400 Futura, XL420, XL550, XL580

Guaranteed to fit White Serger Models:
1934D, 2000AT

Alternate Part Numbers: 270066725