BERNINA #C33 Knit/Woven Binder for L Series

Bind Knit and Woven Edges in One Easy Pass with the BERNINA Knit/Woven Double-Fold Binder #C33

Achieve flawless, retail-ready edges on all your garments and home decor textiles with the professional BERNINA Knit/Woven Double-Fold Binder #C33, available at World Weidner. This highly specialized serger and coverstitch accessory automates the tedious process of folding and stitching binding tape, enabling you to finish edges in a single efficient pass. Designed to feed fabric strips smoothly, it folds both the top and bottom raw edges of your binding tape under, delivering an incredibly clean, durable, and professional finish to your creative designs.

Whether you are an apparel designer assembling activewear, a quilter finishing delicate borders, or a home sewing enthusiast, the #C33 binder eliminates the frustration of slipped layers and uneven stitching. By feeding strips at a perfect right angle directly in front of the presser foot, this attachment provides optimal visibility and control on both inner and outer curves. From lightweight knit necklines to structured woven bias bindings, this versatile attachment unlocks professional-grade garment construction right from your home sewing room.

Accessory Specifications

Main Features & Creative Benefits

Clean Finish Inside and Out: The double-fold mechanism ensures that both the upper and lower raw edges of your binding strip are neatly tucked under and encased. This leaves you with fully enclosed seam allowances on both the right and wrong side of your project, which is essential for professional apparel and high-end reversible creations.

Right-Angle Feed for Maximum Visibility: The direct right-angle feed guide sits in front of your presser foot, ensuring the fabric strip flows smoothly. This design gives you an unobstructed view of the edge being bound, facilitating the precise handling of curved seams, sharp necklines, and contoured borders.

Finely Adjustable Fold Guides: No two fabrics behave exactly the same way. The #C33 binder allows you to make fine adjustments to the upper and lower fold positions, ensuring you can dial in the perfect alignment and tension for tricky jersey knits cut across the grain, or structured woven fabrics cut on the bias.

Swing-Out Feature for Easy Threading: Threading your serger or coverstitch machine should never be a chore. The integrated guide rake is designed to swing completely out of the way, giving you immediate, unhindered access to the machine's threading path and stitch plate area without removing the entire binder attachment.

Why Buy From World Weidner?

As an officially authorized BERNINA dealer, World Weidner is committed to helping you find the perfect high-quality accessories, like the BERNINA Knit/Woven Double-Fold Binder #C33, to elevate your projects. Our knowledgeable customer support team has deep expertise in brand-compatible serger and overlock accessories, helping you choose the precise tools needed to expand your sewing capabilities. To complete your creative setup, World Weidner carries the full range of matching creative supplies, including high-strength sewing threads, heavy-duty universal needles, fabric marking tools, and essential quilting notions. We are here to support your creative journey with genuine products, lifetime support, and quick, dependable shipping.

• 60-Day Money-Back Guarantee: We offer a generous 60-day full satisfaction and money-back guarantee for risk-free shopping on your accessory purchase.*
• Low Free Shipping Threshold: Enjoy free shipping within the contiguous United States on all qualifying orders over our low minimum threshold.
• Fast Order Delivery: Orders ship quickly from our central Oklahoma warehouse, usually arriving at your doorstep within 1 to 4 business days.
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• Interest-Free Financing: We partner with popular payment platforms to offer flexible, interest-free installment payments at checkout so you can start creating today.
• Genuine Original Products: As an officially authorized dealer for every major sewing, quilting, and crafting brand, we guarantee all accessories are authentic and factory-fresh.
• In-House Customer Support: Our dedicated, knowledgeable team, including experienced sewists and crafters, is available by phone, live chat, or email to assist with accessory selection, installation, and project troubleshooting.
• Massive Interactive Showroom: Check out our 18,000-square-foot physical Creative Center in Oklahoma City for hands-on machine testing, direct support, and community classes.