Twopiece industrial bobbin case set for sewing machines, supplied as replacement parts to hold bobbins and support consistent stitch formation. Each bobbin case is made of material and supplied in a pack of two. Key benefits Reduces downtime by keeping a ready replacement on hand for quick swap during production runs. Helps maintain consistent bobbin thread control to support even stitching and fewer thread breaks. Simple to inspect and , making routine maintenance and repairs faster and more efficient. Twopiece pack provides immediate backup and allows staged replacement without interrupting work. Function and performance Holds the bobbin securely and guides bobbin thread into the stitch formation area. Designed to provide consistent thread feeding and tension control for reliable stitch quality. Intended for industrial sewing use where frequent changes and robust performance are required. Compatibility and size Intended for industrial sewing machines that use this style of bobbin case. Confirm compatibility with your machine model or consult the machine manual before . Supplied as two bobbin cases; check your machine specifications for required dimensions and fit prior to installation. Material and build Each bobbin case is made of material as specified. Inspect part dimensions and finish to confirm match with the machine requirement. Practical use scenarios volume production: Keep one case installed and the second case prepped with a threaded bobbin to swap in during long sewing runs and minimize stoppages. Maintenance and : a worn or damaged bobbin case to restore consistent stitch performance and reduce thread issues. Workshop versatility: Carry as spare parts for upholstery, heavy fabrics, or prototype sewing where quick part replacement keeps projects on schedule. What to check before ordering Confirm that this bobbin case style matches your machine model and specifications. Compare the part dimensions and mounting features with your existing bobbin case to ensure proper fit. Package contents Two bobbin cases made of material, as described.