Black Color Silicon Carbide Flexible Honing Brushes. Silicon Carbide Abrasive: High durability and efficiency for polishing and deburring inner holes and pipes. Flexible Design: Flexible honing brushes effectively clean cylinders, bores, and pipes in industrial environments. Continuous Brush Tip: Protects bores or tubes from scratching during the polishing and deburring process. Wide Size Range: Brush diameters range from 6mm to 127mm with various grits available for different needs. Customizable Options: Large sizes, brush heads, and packaging can be custom made according to specific requirements. Sturdy Steel Stem: Durable galvanized steel stem can be directly mounted on power tools or CNC machining centers. OEM/ODM Support: Acceptable OEM and ODM services with competitive costs and guaranteed quality. Fast Delivery: Delivery time is generally 7 days for stock items under 10,000 pieces.