Fold Down Spool Pins & Springs Fits Singer Model 500, 500A, 503, 503A
This product includes two new replacement fold down plastic spool pins and springs. It is designed to fit Singer model 500, 500A, 503, 503A.
The spring is part # 172512 and the pin is part # 172509.
This product is perfect for anyone who needs to replace their fold down spool pins and springs on their Singer model 500, 500A, 503, 503A.