PRACTICAL DESIGN: The diameter of the cylindrical wire brush is designed for easy access to narrow holes and narrow areas, which can be used on doors, pipes, bearings, cylinders or other narrow cleaning needs, and can avoid scratching delicate surfaces. Cylinder Wire Brush Diameter Set: 6 pieces stainless steel hole brushes with handles (including diameters of 8mm, 10mm, 12mm, 15mm, 17mm, 19mm), sufficient quantity, different sizes to meet your different needs, suitable for Replacing traditional hand brushes. EASY TO USE: Simply snap one of these brushes onto the included handle to remove rust or dirt, or use with any power drill or grinder for effective cleaning. HIGH QUALITY: Our cylindrical wire brush diameter is made of stainless steel. The bristles are clean and compact, smooth to the touch, strong and . A cylindrical brush cleans these finer details. Easy to reach hard-to-reach places, no more dust in your life. WIDE APPLICATION: The wire hard tube brush is perfect for cleaning hard surfaces such as steel, cast iron, goal posts, grates and pipes. Don't exceed 600rpm and don't rotate counterclockwise, just push and pull, make sure you use these brushes properly to prolong their lifespan., Weight: 0.3637627323 Pounds, Manufacturer: Taviko