Guaranteed to fit Consew Sewing Machine Models:
206RB-5, 206RBL-18, 206RBL-25, 206BRL-30, 223, 223R, 223R-2, 224, 224R-1, 225, 226R-1, 226R-2, 227, 227FS, 227R, 227R-2, 227RFS, 254B-3, 254RB-3, 255B-3, 255BK, 255RB-3, 255RB-3D, 255RBAT, 255RBATC, 255RBL-25, 277, 277R, 277RFS, 287RB-1, 287RB-1, 289RB-2, 301, 302, 303, 304, 321, 322, 323, 324, 327RB, 328RB, 3300, 333B-2, 333R, 33RB-2, 333RBL-1, 339B-2, 339RB-1, 339RB-2, 339RB-3, 339RB-3D, 339RB-4, 339RBATC, 339RBL-1, 339RBL-25, 359, 369RB-2, 387RB-1, 387RB-2, 756R

Guaranteed to fit Seiko Sewing Machine Models:
CW-1, CW-7, CW-7B, CW-8, CW-8B, CW-8BV, LCW-6F, LCW-7, LCW-7B, LCW-8, LCW-8B, LCW-8BL, LCW-8BL-1, LCW-8BLV, LCW-8BLV-1, LCW-8BR, LCW-8V, LHPWN-8B-3-SF-LB, LHPWN-8BL-3, LHPWN-8BL-3-LP, LPW-26BL, LPW-26L, LPW-278BLK, LPW-27BK, LPW-27BL, LPW-27BLK, LPW-27L, LPW-28BK, LPW-28BL, LPW-28L, LPW-2BL, LPW-6L, LPW-7BL, LPW-7L, LPW-8BL, LPW-8L, LPWN-28BL-2, LPWN-8BL-2, LPWN-8BLC-2, LPWN-8bl-1, LSC-8BLH-1, LSC-8BLV-1, LSW-27BLK, LSW-28BLK, LSW-8BLVMF, LSW-8VMF, LSWN-28BL-3, LSWN-8BL-TA-3, LSWN-8BL-TA-3, LSWN-8BL-3, LTW-27BK, PW-26, PW-26B, PW-27, PW-27B, PW-28, PW-28B, PW-6, PW-6B, PW-7, PW-7B, PW-8, PW-8B, TH-8B-A