Features: Versatile Grinding Set: This rotary engrave grinding head set includes 20PCS stone grinding heads, grinding polishing heads, and wood stone steel carving metal grinding bits. It offers a comprehensive range of tools for various grinding, carving, engraving, and polishing tasks. Good-Quality Material: The grinding and polishing heads are made of durable materials, ensuring long-lasting performance. They are designed to withstand heavy-duty use on wood, stone, and metal surfaces, making them suitable for woodworking, metal carving, and engraving projects. Efficient Carbon Cutting: The carbon cutting engraving porting grinder kit allows for precise and efficient cutting of carbon materials. It enables users to achieve intricate designs and smooth finishes, making it ideal for detailed engraving work on various materials. Easy Attachment and Compatibility: These grinding heads are designed to be easily attached to rotary tools, providing compatibility with most standard rotary tool models. The polishing grinder attachment ensures a secure fits, allowing users to seamlessly switch between different heads for different applications. Suitable for Wood and Stone Carving: Whether you're a professional woodworker or a DIY enthusiast, this kit provides the essential tools needed to achieve precise and intricate carvings on wood and stone surfaces. Specifications: Material: Carbon Steel Length: 4.5*0.6cm Note: Due to the screen lighting effect, the actual color of the product may be slightly different. Due to manual measurement, please allow size error. Include: 20*Grinding Heads