Description: 【Fast and Efficient Winding】This electric automatic bobbin winder saves a lot of time when you need to quickly complete a large project winding project. 【Automatic Bobbin Winder】A simple, easy way to transfer thread from a spool to a bobbin, automatically shuts off when the bobbin is full. 【Feature】This electrical bobbin winder comes in a compact size and completes any collection of sewing tools. 【Easy to Use】The bobbin winder for sewing machine is easy to install and maintain, and there is no problem in daily use. 【Application】Suitable for domestic and industrial sewing machines, convenient for your sewing work. Specification: Specifications: Household Winder Power supply mode: Battery supply(Battery not included) Drive type: electric Material: PP Size Chart: 14cmx10cmx8cm/5.51inchx3.94inchx3.15inch Package Includes: 1 Piece Electric Bobbin Winder Note: Please allow slightly errors due to manual measurement and different monitors.