Feature:1. Stainless Steel: This large bobbin winder is made from premium stainless steel material, which is sturdy and rustproof.2. Easy Installation: This industrial bobbin winder is easy to install and convenient to use, providing great convenience.3. Reasonable Size: This industrial sewing machine bobbin winder features reasonable size and light weight, easy to store and carry.4. Essential Part: This bobbin winder also features exquisite workmanship and glossy surface, an essential part of industrial sewing machine.5. High Practicality: This stainless steel bobbin winder is suitable for industrial flat sewing machine and synchronous sewing machine.Specification:Item Type: Large Bobbin WinderMaterial: Stainless SteelProduct Specifications: 1 PieceUse: Sewing Machine AccessoriesSuitable For: Industrial Flat Sewing Machine, Synchronous Sewing MachineProduct Size: Approx. 29 x 8cm / 11.41 x 3.15in ( Manual Measurement, Slight Error May Exist ).Package List:1 xLarge Bobbin Winder