Features: Improve your sewing efficiency with this Rotary Shuttle Head, designed to fit various high speed sewing machines. Crafted from stainless steel, good durability, not easy to break, long service life. This shuttle head boasts high wear resistance, ensuring good stability during high speed process. Very suitable for sewing factory technicians who demand quality components to develop their maintenance and operating productivity. This rotary shuttle head replacement is engineered to improve fabric sewing processes in sewing factories and workshops. Specifications: Color: Silver Component: Stainless Steel Size: Approximately. 4x4cm/1.57x1.57in Weight: Approximately. 50g Package Includes: 1Piece Shuttle Head note: 1.Please allow 0-1cm error due to manual measurement. Be sure you donot mind before bid. 2.Due to difference between different monitors, the picture may not reflect the actual color