Flat car shuttle core sleeve and bobbin replacement designed for ordinary flat car shuttle systems. Constructed from metal for durability and stable performance during regular use. Key benefits Durable construction: Metal material provides long service life and resists wear, reducing the need for frequent replacements. Stable and precise fit: Designed to match ordinary flat car shuttle dimensions to ensure consistent spool alignment and smooth operation. Compact and lightweight: Reasonable size and low weight make the sleeve easy to store, carry, and change during routine maintenance. Ready replacement accessory: Includes flat car shuttle bobbin with shrapnel for secure attachment and retention, simplifying part swaps and reducing machine downtime. Supports operational efficiency: Reliable components help maintain consistent machine performance and can assist in improving changeover efficiency during production. Product highlights Function: Core sleeve secures the shuttle core while the bobbin with shrapnel holds thread and fits into flat car shuttle assemblies. Compatibility: Intended for ordinary flat car shuttle setups and compatible sewing machines that accept standard flat car shuttle bobbins. Material and durability: Metal construction for strength and resistance to deformation under normal operating conditions. Size and handling: Designed with reasonable dimensions and low weight for convenient handling, storage, and transport. Typical applications Tailoring and garment shops needing a reliable replacement bobbin and sleeve for daily machine use. Textile production lines where quick component swaps reduce downtime and maintain consistent stitching. Home sewing and hobby projects where a durable, correctly fitting shuttle sleeve and bobbin improve machine reliability. Package description Ordinary flat car shuttle core sleeve and flat car shuttle bobbin with shrapnel supplied as replacement parts for flat car shuttle systems and compatible sewing machines.