Keep your electric sewing machine running efficiently with brush block. These brushes are designed to fit a wide range of household sewing machines and overlock machines. By replacing old, worn-out brushes, you can restore the motor's performance. Essential for sewing machine maintenance and small motor accessories. Features - ColorBlack -Material:Graphite, Copper - Size: 3.10X0.45X0.40cm/1.22X0.18X0.16in -Durable construction: made from graphite, copper materials, these carbon brushes are built to withstand the rigors of regular sewing machine use -Optimal conductivity: ensures excellent electrical conductivity, enhancing motor performance and reducing energy loss during operation -Precision fit: engineered to fit precisely within the motor housing, ensuring stable with the motor's commutator -Reduced downtime: quick and replacement minimizes machine downtime, allowing you to get back to your sewing projects faster -Versatile application: suitable for a variety of small motor repairs, making them a versatile addition to your home tool kit Package list: 10 x sewing machine carbon brushes