These durable and flexible rubber rings are essential for maintaining the smooth operation of your sewing machine, ensuring that the bobbin winder functions efficiently. Made from durable materials, they offer excellent resistance to wear and tear, providing performance. Whether you are a Sturdy tailor or a sewing enthusiast, these rubber rings are a must-have accessory to keep your vintage sewing machine in top condition. Easy to install and reliable, they help you achieve precise and consistent stitching every time. Features -Color:Black -Material:Rubber -Size:3.00X3.00X0.50cm/1.18X1.18X0.20in -durable durability: made from Sturdy rubber, this bobbin winder tire is built to withstand frequent use and provide performance -Essential for vintage sewing: this rubber tire is an essential component for vintage treadle sewing machines, ensuring they operate smoothly and efficiently -Versatile compatibility: compatible with a wide range of sewing machine brands and models, this tire is a versatile addition to your sewing machine accessories -Simple installation: the easytoinstall design allows you to quickly replace your old bobbin winder tire, minimizing downtime and maximizing productivity -Consistent stitch quality: by providing a smooth winding action, this rubber tire ensures consistent stitch quality, enhancing the overall results of your sewing projects Package list: 20pcs sewing machine rubber ring