DescriptionMade of steel, longer service life and better performance, sphere rotary burr is made with strong strength, prevents oxidation and rusting. With rapid polishing and grinding speeds, the angle grinder sphere rotary burr is great for wood materials, ideal for grinding, carving, polishing.Features-Color:Black -Material:Steel -Size:9.30X4.00X4.00cm/3.65X1.57X1.57in -Hole diameter: 10mm- Suitable for woodworking, use with your angle grinders, can be used for wood polishing, and filing. - Made of steel, sphere rotary burr is strong and has excellent cutting performance. - Ball-shaped design: The grinding burr is designed in a ball shape, making it easy to handle various curved surfaces and uneven wood. - Multi-functional use: Can be used in home decoration, woodworking, handicraft production, and other fields. - Sphere rotary burr is convenient for replacement and installation, and improve the efficiency.