Comprehensive Set: This package includes 69 pieces of electric motor carbon brushes in 23 different sizes, ranging from 4x6x13mm to 7x17x18mm. 3 pieces of each size, ensuring you have the right fit for various motor and tool repairs. Superior Material: Crafted from high-quality carbon, these carbon brushes offer excellent conductivity and thermal conductivity. They are designed to be wear-resistant, ensuring a long service life and consistent performance. Optimal Performance: These carbon brushes enable effective current transfer and feature high wear and pressure resistance. They protect motor components while maintaining stability and efficiency, crucial for the smooth operation of any motor-driven equipment. Easy Maintenance: Featuring a simple design with carbon blocks and springs, these brushes are easy to install and replace. Regular maintenance and timely replacement of these brushes are essential for restoring and maintaining optimal motor function. Versatile Use: Ideal for a wide range of applications, these carbon brushes are suitable for various motors and power tools. They are commonly used in generators, cutting machines, drills, grinders, saws, and motorcycles, making them a must-have for any toolkit. (Due to different batches, the stickers on the plastic box may vary, which does not affect the use) Color: Black Material: Carbon + metal Package Contents: 69 x Electric Motor Carbon Brushes Only the above package content is included; other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to appear slightly different from the real thing. The measurement allowed error is +/- 1-3cm.