Parts List: 1 x 25mm Sphere Rotary Burr with 5/8-11 Threads 1 x 40mm Sphere Rotary Burr with 5/8-11 Threads Highlight description: Versatility and Functionality: The spherical rotary burr fits standard 4 1/2 or 5-inch American angle grinders with a 5/8-11 thread. It mounts directly onto the grinder spindle without the need for an adapter. Ideal for coarse grinding, moderate shaping, contouring, and grinding. Fine Polishing: This angle grinder attachment features hundreds of compatible with sharp burrs that quickly remove large amounts of wood while maintaining a smooth surface. It can handle both dry and wet wood, ensuring fine and clean finishes. Long-lasting Sharpness: Made from carbon steel, the spherical grinding wheel offers superior durability with minimal wear. It is highly effective for long-term use, especially on softwoods like spruce, pine, basswood, and beech, outperforming sandpaper pads in durability and efficiency. Wide Application: This powerful spherical grinder attachment is perfect for hand wood shaping, hollowing and undercutting wooden pieces, and rough wood processing. Ideal for carving wooden bowls, spoons, tree faces, and other wooden art pieces. Safe Usage: Always wear safety glasses, a mask, and heavy-duty work gloves during installation. Use only after removing nails or other foreign objects from the wood. Hold the angle grinder with both hands and slowly remove the wood. Maximum speed is 120,000 RPM. It is recommended to use an electric angle grinder with adjustable speed. Detailed description: Description: The angle grinder attachment, made of carbon steel with hundreds of compatible with sharp burrs, quickly removes large amounts of wood while maintaining a smooth surface and lasting sharpness, making it ideal for fine polishing, long-term use, and a wide range of applications such as hand wood shaping, hollowing, and rough processing of wooden art pieces like bowls, spoons, and tree faces. Key Features: Suitable for standard 4 1/2 or 5-inch American angle grinders with a 5/8-11 thread, this attachment mounts directly onto the spindle without an adapter, making it ideal for coarse grinding, moderate shaping, contouring, and polishing. When installing, wear safety goggles, a mask, and heavy-duty gloves; use only after removing nails or other foreign objects from the wood, hold the angle grinder with both hands, and gradually remove the wood, with a maximum speed of 120,000 RPM, and it's recommended to use a variable speed electric angle grinder. Specification: Material: High Carbon Steel Color: Black Spherical Head Diameter: 25mm/40mm Shank Diameter: 25mm Thread Hole Diameter: 5/8-11 inches Total Length: 102mm/108mm Note: 1. There may be slight differences between the picture and the actual color of the commodity. We will try our best to show you the exact color. 2. Please allow slight dimension differences due to manual measurement. Versatility and Functionality: The spherical rotary burr fits standard 4 1/2 or 5-inch American angle grinders with a 5/8-11 thread. It mounts directly onto the grinder spindle without the need for an adapter. Ideal for coarse grinding, moderate shaping, contouring, and grinding. Fine Polishing: This angle grinder attachment features hundreds of compatible with sharp burrs that quickly remove large amounts of wood while maintaining a smooth surface. It can handle both dry and wet wood, ensuring fine and clean finishes. Long-lasting Sharpness: Made from carbon steel, the spherical grinding wheel offers superior durability with minimal wear. It is highly effective for long-term use, especially on softwoods like spruce, pine, basswood, and beech, outperforming sandpaper pads in durability and efficiency. Wide Application: This powerful spherical grinder attachment is perfect for hand wood shaping, hollowing and undercutting wooden pieces, and rough wood processing. Ideal for carving wooden bowls, spoons, tree faces, and other wooden art pieces. Safe Usage: Always wear safety glasses, a mask, and heavy-duty work gloves during installation. Use only after removing nails or other foreign objects from the wood. Hold the angle grinder with both hands and slowly remove the wood. Maximum speed is 120,000 RPM. It is recommended to use an electric angle grinder with adjustable speed.