Heavy-Duty Cleaning Power:: The LINE10 Tools 3-Inch Knotted Wire Cup Brush set is specifically designed to tackle the most stubborn rust, paint, and scale removal projects, turning your angle grinder into an efficient and powerful cleaning tool, excellent for Metalworking and Welding tasks such as deburring, blending, and welds removal and clean up Robust & Durable Construction: Our wire cup brushes feature high-quality, tightly knotted 1/2-inch thick carbon steel wires that ensure exceptional performance, durability, and longevity, providing consistent and reliable results for the most demanding heavy-duty cleaning tasks. Optimal Design for Maximum Efficiency: The 3-inch diameter wire cup brushes offer a wide coverage area for faster cleaning, while the knotted wire design delivers aggressive action, allowing you to remove even the most stubborn surface contaminants with ease. Hassle-Free Installation & Universal Fit: all standard North American angle grinders with 5/8-11 Arbor; our wire wheel brushes feature a simple tool-free installation and removal, allowing you to quickly switch between tasks and get the job done faster. Outstanding Value with 4-Pack Bundle: Save time and money with our convenient 4-pack set, ensuring you always have one on hand ready to go for your next challenging surface prep metalworking project. Trust LINE10 Tools for superior quality, performance, and durability in all your heavy-duty cleaning needs.