72 Black and 72 White Prewound Bobbins 60WT Filament Polyester Embroidery Bobbins. These are same as SA156 Part# of Brother also called CLASS A or Class 15 Bobbins. They are compatible with all the new Brother, Babylock, Janome, Singer and other Home Embroidery and Sewing Machines.Here is a small list of machines these bobbins are compatible with. There are many more which are not listed here.BC-1000, CE-4000, CE-5000PRW, CE-5500PRW, CE8080PRW, CP-6500, CP-7500, CS-100T, CS5055PRW, CS-6000, CS-6000B, CS-6000i, CS-6000T, CS-8150, DreamWeaverTM XE Innov-is VM6200D, Duetta® 2 4750D, Duetta® 4500D, ES-2000, EX-660, HE-120, HE-240, HS-2000, Innov-ís 1000, Innov-ís 1500D, Innov-ís 2500D, Innov-ís 2800D, Innov-ís 40, Innov-ís 4000D, Innov-ís 80, Innov-ís 900D, Innov-ís 950D, IsodoreTM Innov-ís 5000, LB6770 PRW, LB-6800PRW, LS-1217, LS-2125, LS-2125i, LS30, LX2500, LX-3125, LX-3125E, NX-200, NX-250, NX-400, NX-400Q, NX-450, NX-450Q, NX-600, NX-650Q, Pacesetter® PS21, Pacesetter® PS-3700, PC-210, PC-210PRW, PC-420, PC-420PRW, PE500, PE-700, PE-700II, PE-750D, PE770, PE-780D, PE-800, QC-1000, Quattro® 2 6700D, Quattro® 6000D, SE-270D, SE-350, SE400, SE 500, Simplicity SB170, Simplicity SB3129, Simplicity SB530T, Simplicity SB700T, Simplicity SB7050E, SQ9000, SQ9050, VX-1435, XL-2230, XL-2600, XL-2600i, XL-2610, XL-3100, XL-3500, XL-3500T, XL-3510, XL-3750, XL-5130, XL-5232, XL-5340, XL-5500, XL-5600, XL-5700, XL-6452, XL-6562, XR-40, XR4040, XR-46C, XR-52C, XR-65T, XR-7700