Features: Enhancing your sewing machine efficiency with our multifunctional sewing machine motor carbon brushes, crafted from metal, rustproof, not easy to break and deformed, good durability and long service time. Package comes with 10Pieces Sewing Machine Motor Carbon Brushes Replacements. Sufficient quantity to meet daily repair and replace need. These carbon brushes are strong compatibility, suitable for most household sewing machine. 3000 Carbon Brush Size 4.8x5.5x7.3mm/0.19x0.22x0.29inch. 4000 Carbon Brush Size 4.8x6.3x7.3mm/0.19x0.25x0.29inch. Great for home sewing enthusiasts, professional tailors, and anyone who frequently work in sewing project and want to improved machine reliability. Widely used for home sewing room, craft classes, or tailors shops where regular maintenance is key to maintaining optimal machine operation. Specifications: Color: Silver Gray Golden Component: Metal Type: 3000 Carbon Brush, 4000 Carbon Brush 3000 Carbon Brush Size: Approx. 4.8x5.5x7.3mm/0.19x0.22x0.29in 4000 Carbon Brush Size: Approx. 4.8x6.3x7.3mm/0.19x0.25x0.29in Weight: Approx. 30grams Package Includes: 10Pieces Sewing Machine Carbon Brushes note: 1.Please allow 0-1cm error due to manual measurement. Be sure you donot mind before bid. 2.Due to difference between different monitors, the picture may not reflect the actual color