The bobbin winder rubber rings are easy to install and provide a , preventing slippage during the winding process. To use, remove the old rubber ring from the bobbin winder and replace it with a new one from the set. These rings are made from durable rubber, ensuring performance and reliability. For home sewing projects or professional use, they help maintain the smooth operation of your sewing machine. Features -Color:Yellow -Material:Rubber -Size:3.80X3.80X0.80cm/1.49X1.49X0.31in -Versatile application: suitable for various sewing machines, these rubber bobbin winder rings offer universal compatibility, making them for any sewing enthusiast -Enough pack: this set ensures you have a sufficient number of bobbin winder rings to last through numerous sewing projects -Easy to use design: the easytoinstall design allows for quick bobbin winding, saving you time and effort in your sewing endeavors -Durable rubber: constructed from durable rubber, these rings are designed to withstand regular use without losing their shape or effectiveness -Enhanced sewing efficiency: by providing a reliable and efficient way to wind bobbins, these rings help your sewing process, allowing you to focus on your creative projects Package list: 10 x Bobbin Ring