Item Type: Automatic Stainless Steel Bobbin Winder Material: Stainless Steel Product Use: Factory Use Scope of Application: Most Scenes Size: Approx. 54 x 57mm / 2.1 x 2.2in Package List 1 x Automatic Stainless Steel Bobbin Winder 1Perfect Alignment: The Industrial stainless steel bobbin winder allows seams to be perfectly aligned for your convenience. 2Save Time: Sewing bobbin winder as a part of sewing machine creates professional sewing process and saves time in the process of use. 3Stainless Steel: Automatic bobbin winder is made of stainless steel, wear resistant and durable, not easy to rust, not easy to damage, and can be used for a long time. 4Easy to Maintain: Sewing bobbin winder is odorless, dustproof, impermeable to water, easy to clean and harmless to health. 5Lightweight and Portable: Sewing bobbin winder is small and delicate, easy to carry and use, easy to install, convenient and fast to use, stable performance.