Madeira Magnetic Bobbin L Black Ensure superior embroidery performance with Madeira Magnetic-Sided Pre-Wound L-Style Bobbins in black. These bobbins are designed for consistent tension and seamless operation, making them ideal for professional projects. Key Features: 🌟 Magnetic-Sided Design: Prevents backlash, delivering uniform tension for flawless embroidery. ✨ High-Quality Thread: Features 124 yards of continuous polyester filament to reduce lint and enhance machine performance. 📦 Versatile Supply: Includes 144 pre-wound bobbins, available in classic black and white options. Specifications: Type: Madeira Magnetic-Sided Embroidery Bobbins Style: L-Style Design: Magnetic side and paper side Color: Black Thread Length: 124 yards per bobbin Quantity: 144 bobbins per box