Package includes 4 x Sewing machine bobbin cases Product overview A set of four silver metal bobbin cases designed as direct replacements or spares for sewing machines that use a bobbin case measuring about 2.20 x 2.20 x 1.30 cm. Durable and smooth finished, these bobbin shells help ensure consistent thread delivery and reduce thread snags during sewing. Key benefits Reliable thread control: Precise metal construction helps maintain even tension to reduce knotting and unraveling while sewing. Durable material: Metal design offers wear resistance for long term use compared to plastic alternatives. Smooth operation: Polished interior protects thread from abrasion and keeps thread moving . Ready spare set: Four bobbin cases provide replacements for multiple machines or quick swaps during projects. Easy fit: Sized to match machines that accept a bobbin case with dimensions of approximately 2.20 x 2.20 x 1.30 cm. Specifications Color: Silver Material: Metal Size: About 2.20 x 2.20 x 1.30 cm (0.86 x 0.86 x 0.51 in) Quantity: 4 bobbin cases Performance and compatibility These bobbin cases are intended for use as replacement or spare shells in sewing machines that require a metal bobbin case of the stated size. Their smooth finish and break resistant construction support consistent stitching and make them suitable for everyday sewing tasks. Use scenarios Home sewing and mending: Keep a spare bobbin case on hand for garment repairs, patching, and craft projects. Tailor and alteration work: Swap bobbin cases quickly to match thread types or to minimize downtime during professional alterations. Small production or clothing shops: Maintain consistent stitching across multiple machines or have replacements ready for routine maintenance. What you get Four metal bobbin cases, ready to install as replacement or spare parts for compatible sewing machines.