Upgrade your sewing with these high-quality clear plastic bobbins, designed for professional and home sewing machines. These transparent Class 66 bobbins make it easy to monitor thread levels while ensuring smooth, reliable stitching. Perfect for various Universal/Generic models and other compatible top drop-in bobbin machines.

Each pack includes 4 durable bobbins, measuring 25/32" x 3/8", ideal for both everyday sewing and professional projects.

Features
Made of high-quality plastic for long-lasting use
Transparent design for easy thread monitoring
Class 66 – compatible with select Singer and drop-in bobbin machines
Genuine Singer part for reliable performance
Fits multiple Singer sewing machine models
Compatible Machine Models

SINGER: 66, 99, 101, 185, 192, 201, 247, 288, 327, 328, 329, 401, 403, 404, 413, 416, 418, 457, 476, 477, 478, 500, 717, 719, 814, 834, series 6100, 6500, 7100

Specifications
Brand: Universal/Generic
Units: 4 per pack
Material: Plastic
Size / Dimension: 25/32" x 3/8"

✔ 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