This replacement bobbin cover spring (part # 45357) is designed for Singer Model 201 and Singer Industrial 1200-1 sewing machines. This small but essential component keeps the bobbin cover plate securely closed during sewing, preventing thread jams and ensuring smooth operation.

Specifications:

• Part Number: 45357
• Type: Replacement 
• Function: Secures bobbin cover plate

Machine Compatibility:

Singer 201 Series: 201, 201-2, 201-3, and 201K

Industrial Models: Singer 1200 and 1200-1