Keep your sewing projects running smoothly with Universal/Generic Class 66 Bobbins, designed for machines with removable and top drop-in bobbin cases. These clear plastic bobbins make it easy to monitor thread usage and prevent interruptions mid-project. Perfect for professional and home sewing, this 10-pack ensures you always have extra bobbins ready.

Compatible Machines:

Singer: 4411, 4423
Brother
Baby Lock
Riccar
Simplicity

Note: Not compatible with Bernina, Elna, Husqvarna/Viking, Janome/New Home, or Pfaff machines.

Features:

Clear plastic for easy thread monitoring
Class 66 size
Designed for top drop-in bobbin cases
Eliminates the need to switch between metal and plastic bobbins

Specifications:

Brand: Universal/Generic
Units: 10 per pack
Material: Plastic
Size/Dimension: 25/32" x 3/8" (Class 66)

✔ Free shipping on orders over $99
✔ Ships from our USA (Georgia) office when in stock
✔ Weekly restocking from Japan, China, Bangladesh, and Turkey warehouses
✔ 3–7 business days handling time
✔ Compatible with multiple industrial sewing machines
✔ Carefully inspected before shipment

💡 Add more items to your cart to qualify for free shipping ($99+)

📩 Not sure if this fits? Send us your machine model or a photo — we’ll help you confirm.

⚠️ Please confirm your machine model before ordering