Our durable carbon brushes are specifically designed for vintage household sewing machine motors. These carbon brushes ensure optimal performance and longevity of your sewing machine, making them an essential replacement part. Easy to install, they help maintain the efficiency of your sewing machine, ensuring smooth and uninterrupted operation. Features -Color:Multi -Material:Metal -Size:3.00X0.40X0.40cm/1.18X0.16X0.16in -Durability: these carbon brushes are resistant to wear and tear, ensuring a long lifespan and consistent performance for your sewing machine -Stability: expertly designed motor carbon brushes provide stable output, ensuring smooth operation of your sewing machine without frequent breakdowns -Problemsolving: effectively addresses common issues in old household sewing machine motors, such as unstable motor speed and overheating, enhancing overall performance -Versatility: suitable for various old household sewing machines and overlock machines, making them ideal for use in homes, factories, and other settings -Easy replacement: these carbon brushes are easy to replace without requiring professional skills, allowing users to perform quick and convenient maintenance Package list: 30pcs Carbon Brush