Set of two bobbin cases with multiply function, designed as universal sewing accessories for household machines compatible with Singer models. Why you need this Reduce downtime by keeping a spare bobbin case ready for quick replacement. Restore smooth stitching and consistent bobbin tension when the original case is worn or damaged. Add versatility to your machine with a multiply function that supports a range of household sewing tasks. Key benefits Ready spare parts: Two bobbin cases in one pack let you swap quickly and keep projects moving. Versatile function: Multiply function adapts to different sewing needs so you can handle varied fabrics and stitches. Broad compatibility: Made as a universal accessory for household sewing machines and compatible with Singer household models that use standard bobbin cases. Reliable performance: Designed to help maintain stable bobbin thread delivery and reduce common bobbinrelated problems. Easy to use: Simple to install and with no special tools required. Important attributes Pack contents: 2 bobbin cases Function: Multiply function for versatile use Compatibility: Universal for household machines and compatible with Singer household models that accept standard bobbin cases Size: Standard bobbin case dimensions for household machines Construction: Built for regular sewing use and frequent swaps Practical use scenarios Home repairs and maintenance: a damaged bobbin case to stop thread jams and restore stitch quality. Continuous sewing sessions: Keep one case installed and one as a spare during long projects or classes to avoid interruptions. Small production or craft work: Swap bobbin cases quickly to change thread types or tension settings between different fabric batches. Who this is for Home sewers, hobbyists, sewing students, and small workshop users who need dependable spare bobbin cases that fit standard household machines and compatible Singer models.