This replacement presser bar spring (part # 45745) provides the tension needed to lift and lower the presser foot on Singer sewing machines. This essential component ensures smooth presser foot operation and proper fabric feeding on vintage Singer models including the iconic Featherweight 221.

Specifications:

• Part Number: 45745
• Type: Replacement (aftermarket)
• Length: Approximately 70mm
• Outside diameter: Approximately 4.4mm
• Function: Provides presser bar tension

Machine Compatibility:

Fits Singer models: 185, 221 (Featherweight), 301A, 327, 328, 328K, 329, 401, 401A, 403, 403A, 404, 500, 500A, 503, 503A