BERNINA #50W Three-Sole Walking Foot with Seam Guide (Accessory# 109175.70.00)

Premium Even-Feed Attachment for 9mm BERNINA Sewing & Quilting Machines

The BERNINA #50W Three-Sole Walking Foot with Seam Guide (Part Number: 109175.70.00) is the ultimate industrial-grade even-feed attachment designed specifically for modern 9mm maximum stitch width BERNINA sewing machines. Engineered for precision, this essential quilting and sewing accessory eliminates fabric shifting, puckering, and uneven feeding by mechanically advancing the upper layer of fabric at the exact same rate as the machine’s feed dogs. Whether you are machine quilting through thick batting, matching intricate plaids, sewing slick leather, or working with delicate silk, the BERNINA 50W ensures perfectly flat, professional seams.

Key Technical Specifications & Features

• Manufacturer Part Number (MPN): 109175.70.00 (1091757000)
• Model Style: New-Style BERNINA Attachment
• Max Stitch Width Compatibility: Optimized for 9mm feed systems (also backward compatible with 5.5mm new-style systems)
• Feed Mechanism: Mechanical upper feed dogs synchronized with the machine's lower feed dogs
• Materials: Heavy-duty matte-finished steel components with high-grade optical-clarity polymers
• Seam Guides: Dual Left & Right Adjustable

Comprehensive 3-in-1 Interchangeable Sole System

This complete kit includes three specialized, easily interchangeable soles to cover every advanced sewing and quilting application:

• Standard Sewing Sole: Features an integrated thread slot and textured underside for everyday straight stitching, joining heavy denim layers, and preventing puckering on lightweight synthetics.
• Open-Toe Quilting Sole: Provides a completely unobstructed, panoramic view of the needle area, making it perfect for free-motion quilting, following intricate stencils, and precision applique.
• Center-Guide Sole (Stitch-in-the-Ditch): Equipped with a rigid, central metal guide blade that sits perfectly in the seam allowance for flawless edgestitching, topstitching, and stitch-in-the-ditch quilting.