General description The Lessmann Conical Knot Brush is a durable grinding accessory specifically designed for metalworking applications. With its conical shape, it effectively removes rust, paint, and surface imperfections on various metals. This tool is ideal for use with angle grinders, allowing users to achieve smooth and precise finishes, even in hard-to-reach areas. Technical specifications Diameter: 115mm Width: 10mm Bore size: M14 Wire gauge: 0.50 Material: Steel Maximum RPM: 12,500 Part number: 472.257 Compatibility and accessories Compatible with standard angle grinders Designed to fit M14 spindle mounts Installation Ensure the grinder is unplugged before installation Attach the knot brush securely onto the M14 spindle Check that the accessory is properly fixed before use Usage Use with appropriate safety gear, including gloves and eye protection Operate at recommended RPM (up to 12,500 RPM) Apply gentle pressure and move the tool evenly across the surface Other information