- Compatibility : Our sphere rotary burr is specifically engineered to fit standard 4 1/2 or 5-inch American angle grinders with 5/8-11 threads. Simply thread it onto the angle grinder spindle—no adapters required. Perfect for tough tasks, shaping, contouring, and grinding. - Durable Construction : Constructed from high-quality titanium steel, featuring tungsten carbide teeth, this rotary burr is designed for exceptional wear resistance, ensuring long-lasting performance. - Efficient Wood Removal : The extensive array of aggressive burrs on the angle grinder attachment allows for rapid material removal while achieving a smooth finish. It effectively handles both wet and dry wood, ensuring precise and clean grinding. - Versatile Applications : Ideal for freehand wood shaping, hollowing, and undercutting, this power sphere grinder is perfect for crafting wooden bowls, spoons, tree faces, and other artistic wooden pieces. - Use Scenarios : - Sculpt intricate designs in wooden art pieces effortlessly. - Hollow out wooden bowls quickly and efficiently while maintaining a fine finish. - Shape and contour woodwork for your DIY projects with precision and ease.