W-clips, commonly used in upholstery and furniture manufacturing, are essential for securing zigzag springs to the frame. Typically made of durable metal like steel, these clips come in various sizes, including 2 inches, 2.5 inches, and 3 inches, to accommodate different spring gauges and frame dimensions.These clips ensure secure attachment of springs, providing reliable support and longevity to upholstered furniture pieces. Whether you’re a professional upholsterer or a hobbyist, investing in quality w-clips is essential for achieving sturdy and comfortable seating arrangements.