General description Made of high-quality carbon steel, this Rotary Burr Bit is strong and durable, designed for wood carving, polishing, and engraving. It features hundreds of sharp serrations around the wheel, making it suitable for most non-metallic materials. Technical specifications Diameter: 10mm Max RPM: 12000 Usage This angle grinder head attachment bit is ideal for small and medium woodworking projects, including engraving, carving, grinding, grooving, and polishing. It works well with wood, fiberboard, solid wood, multi-layer board, MDF board, and plastic board. Protective gloves are required when using the angle grinder, and ensure it is installed securely before use. Keep away from children.