Guaranteed to fit Babylock Sewing Machine Models:
BL137A, BL137A2, BL200A, BL40, BL40A, BLCC, BLCC2, BLDC, BLDC2, BLMR, BLMY, BLQC, BLQC2, BLR2, BLR3, BLTP, INT

Guaranteed to fit Brother Serger Machine Models:
CS80, CS8060, CS8070, CS8080, CS8120, CS8130, CS8150, HE120, HE120PKG, HE240, LB6770, LB6800PRW, NC21-SE, NS40, NS80, NV1000, NV1200, NV1250D, NV200, NV350SE, NV400, NV400SE, NV500, NV500D, NV600, NV700E, NV700EII, NV750E, NV780D, NV900, NV900D, NV950D, NX200, NX200 Innovis, NX200 Pacesetter, NX200LE, NX200QE, NX250, NX400, NX400 Innovis, NX400 Pacesetter, NX400LE, NX400Q, NX400QE, NX450, NX450Q, NX600, NX650, NX800, PC210, PC210PRW, PC420, PC420PRW, PE450, PE500, PE700, PE780D, SB3129 Simplicity, SB530T, SB7050E, SE270D, SE350, SE400, XL2120, XL2121, XL2130, XL2140, XL2150, XL2220, XL2230, XL2240, XL2250, XL2620, XL3500, XL3500T, XL3510, XL3520, XL3750, XL3800

Guaranteed to fit Simplicity Serger Machine Models:
SB530t

Alternate Part Numbers: XC2423021