Guaranteed to fit Baby Lock sewing machine models:
BL6300, BL6800

Guaranteed to fit Brother sewing machine models:
BC-1000, BC-2100, BC-2300, BC-2500, BC2100WT, BM-2600, BM-2700, BM-3500, BM-3600, BM2700AS, BM2800, BM2800CT, BM2800FG, BM3500T, BM3700, BM3700CT, BM3700FG, BM3850, BM3850CT, BM3850FG, BX2925PRW, Boutique 27, Boutique 37, BS Series, BS2145, BS2250, Campus 200, CE-4000, CE-5000PRW, CE1100PRW, CE4400, CE5000, CE5500, CE5500PRW, CE7070PRW, CE8080, CE8080PRW, CP6500, CP7500, CS-4000, CS-6000, CS-6000i, CS-770, CS100T, CS5000H, CS5055PRW, CS6000B, CS6000t, CS7000H, CS8800PRW, CS9100, Comfort 25A, Comfort 35A, Comfort 40E, Comfort 60E, DS-120, DS-140, Designio DZ2400, ES-2000, ES-2020, ES-2210, ES2000T, ES2010, ES2200, ES2220, ES2400, ES2410, ES2420, EX-660, FB1757T, FS-20, FS-40, FS40WT, GS2700, GS2786K Hello Kitty, GS3700, GS3710, GS3740C, HC1850, HQ-33, HQ17, HQ22, HQ27, HS-1000, HS-2500, HS-3000, HS-9500, Hanami27S, Hanami37S, J17, JS40E, JS50E, JS60, JX2417, JX2517, L-15, L25, L30, L35, L40, LS-1217, LS-1717, LS-1717B, LS-1717P, LS-1817, LS-2000, LS-2020, LS-2020P, LS-2220, LS-30, LS300S, LS40, LS-590, LS17, LS2250PRW, LS2300PRW, LS2350, LX-1700, LX2500, LX2763, LX3817A, LX3850, MS4, MS4NT, MS5, MS5NT, MS6, MS6NT, NB1700 Plus, NX-400, NX-600, NX200, PC-210, PC-210PRW, PC-420, PC-420PRW, PS21, PS-2250, PS-2360, PS-2470, PS-3100, PS-3700, PS53, PS55, PS57, PX-100, PX100HC, PX200, PX200HC, PX200NTC, PX220NTC, PX-300, PX300HC, PX300NTC, PX330NTC, RPX100, RS-15, RS200S, RS240, RS-25, RS-35, RS250, RS260, RS40S, RS455, RSR55, RXL5130, RXL5232, RXL5340, SB170 Simplicity, SB3129 Simplicity, SB530T Simplicity, SC6600, SC9500, SL300 Simplicity, SM1704, SM340E, SM360, SM6500PRW, SQ-9000, SQ9050, SQ9185, Star 230E, Star 230EQC, Star 240E, Star 35, Star 37S, Star 45, Star 50, Star 55, Star 60, Star 65, Star27S, VX Series, VX-1250, VX1145, X-3, X10, X17S, XL1300, XL-2120, XL-2121, XL-2130, XL-2220, XL-2230, XL-2600i, XL-2610, XL-2620, XL-3500, XL-3510, XL-3600, XL-3750, XL-5050, XL5010NTP, XL5011AV, XL5012AV, XL5012NTP, XL5020NTP, XL5021AV, XL5021NTC, XL5021NTP, XL5022AV, XL5022NTP, XL5030NTP, XL5032AV, XL5032NTP, XL5050NTC, XL-5060, XL5060NTC, XL-5070, XL5070NTC, XL-5340, XL-5500, XL5500AV, XL5500NTC, XL5500SE, XL-5600, XL-5700, XL2140, XL2150, XL2240, XL2250, XL2600, XL2630, XL2650H, XL3500i, XL3500t, XL3510T, XL3520, XL3750FS, XL3800, XL6600, XM3700, XQ2700, XQ3700, XR-65T, XR-6600, XR-7700, XR-9000, XR1355, XR3140, XR4040, XR46C, XR52C, XR53, XR6060, XR9500PRW, XRX55 

Guaranteed to fit Simplicity sewing machine models:
SB530t