Function: 1. When you need to complete a large project quickly, an automatic sewing bobbin winder can save you a lot of time. 2. The metal plate can firmly support the bobbin winder and bobbin on the workbench, making it easier to work. 3. This fast bobbin winder is easy to operate and the nici tension can be adjusted za tensioner assembly. 4. Suitable for various industrial sewing machine bobbins, synchronous car bobbins, buttonhole bobbins, embroidery machine bobbins, etc. 5. The automatic bobbin winder can be used jako gift for beginners in sewing and embroidery. Specification: Item Type: Sewing Spool Winder Applicable Places: Service Industry Accessories Application: Sewing Equipment Accessories Voltage: 220 V. Power: 20 W. Speed: 2500 rpm Suitable bobbin diameter for winding coil: approx. mm /0.03in Size: approx. 14 x 7 x 6,3 cm / 5,5 x 2,8 x 2,5 inches Installation and use: 1. Place the bobbin on the spool of the winder and wrap the thread around the nici clamp 2. Plug the plug into power and start winding 3. When the winding is full, the automatic induction stops List of packages: 1 x Winding Machine 1 x User Manual 2 x Screw