Description Designed for industrial sewing machines, these sturdy spool pin caps act as essential spool pin covers, providing stable and secure support for sewing thread spool pin cap sets. The bobbin fixing clip and plastic spool pin covers minimize thread breakage and make sure even stitching, making them perfect for demanding factory environments. Quick installation boosts efficiency for continuous sewing use. Features -Color:White -Material:Plastic -Size:12.50X12.50X2.00cm/4.91X4.91X0.79in -Enhanced stability: our sturdy spool pin caps are specifically designed for industrial sewing machines, ensuring your sewing bobbins and thread remain securely in place for smoother operation and fewer interruptions -Precision engineering: these sewing machine replacements fittings are crafted for longterm use and minimal wear, supporting professional spool pin covers to extend the life of your sewing machine supply -Universal compatibility: these sewing machine parts serve as a useful sewing machine tool for home or industrial replacement needs -Boosted efficiency: the durable sewing machine supplies minimize thread breakage, making them an essential sewing necessary tool for continuous, highstrength factory use and improving output quality -Easy installation: each plastic spool pin cap is built for easy installation without special tools, making this sewing machine accessory ideal for quick replacements and efficient maintenancePackage list: 20 x plastic spool pin caps