Enhance your sewing efficiency with this Automatic Sewing Bobbin Winder, designed to save time and streamline your large sewing projects. Engineered for ease of use, this bobbin winder features a sturdy metal plate base that securely holds both the winder and bobbin on your workbench, providing stability during operation. Its adjustable thread tension assembly allows precise control, ensuring evenly wound bobbins for optimal sewing machine performance. Key Features: · **Time-Saving Automatic Operation:** Quickly wind bobbins with an automatic induction stop function that halts winding once the bobbin is full, allowing you to focus on your sewing without interruptions. · **Durable Metal Plate Base:** Provides firm support for the bobbin winder and bobbins, enhancing stability and convenience during continuous use. · **Adjustable Thread Tension:** Customize the thread tension easily through the tension assembly unit for consistent and smooth winding results. · **Wide Compatibility:** Suitable for various industrial sewing machine bobbins including synchronous car bobbins, buttonhole machine bobbins, embroidery machine bobbins, and more. · **Compact and Portable Design:** Measuring approximately 14 x 7 x 6.3 cm, this lightweight bobbin winder fits comfortably on any workbench and is easy to store or transport. · **Powerful Performance:** Operates at 20W power with a winding speed of 2500 rpm, efficiently meeting the demands of both professional and hobbyist sewers. · **Perfect for Beginners:** An ideal gift for those new to sewing and embroidery, simplifying the bobbin winding process and improving project efficiency. Specifications: · Item Type: Sewing Bobbin Winder · Power: 20W · Speed: 2500 rpm · Applicable Bobbin Diameter: Approx. 0.7mm (0.03in) · Size: Approx. 14 x 7 x 6.3 cm (5.5 x 2.8 x 2.5 in) Package Includes: · 1 x Automatic Sewing Bobbin Winder This Automatic Sewing Bobbin Winder combines convenience, precision, and durability, making it an essential accessory for any sewing or embroidery workspace. Improve your workflow and enjoy effortless bobbin winding with this reliable, portable, and easy-to-use tool.