The Universal Sewing Machine Bobbin Winder Assembly is an essential tool for any sewing enthusiast. ideal for both beginners and experienced sewers, this accessory ensures that your bobbins are wound evenly and efficiently. Simply attach the winder to your sewing machine, place the bobbin on the spindle, and let the machine do the rest. Ideal for use in home sewing projects, this bobbin winder assembly helps you maintain a steady supply of thread, making your sewing tasks smoother and more enjoyable. Features -Color:Black -Material:Rubber -Size:3.00X3.00X0.50cm/1.18X1.18X0.20in - material: constructed from durable rubber, this bobbin winder tire is designed to provide reliable performance and withstand the rigors of regular use -Ideal for treadle machines: specifically designed for vintage treadle sewing machines, this rubber tire is a crucial accessory for maintaining optimal machine performance -Broad compatibility: this bobbin winder tire is compatible with numerous sewing machine brands and models, making it a versatile and practical addition to your sewing toolkit -Effortless installation: the straightforward design allows for easy and quick installation, enabling you to replace your old tire with minimal effort and continue your sewing projects -Improved sewing efficiency: the smooth winding action provided by this rubber tire ensures even and precise stitching, improving the efficiency and quality of your sewing Package list: 20pcs sewing machine rubber ring