Application: Hand wire brush is suitable for cleaning steel parts, machinery, untreated metal parts, cleaning ovens, paint stains and special corrosion. It can also be used to clean doors, windows, sliding doors, floor tiles, bathtubs, sinks, small engine parts and copper pipes etc. without damaging sensitive surfaces. DOUBLE HEAD DESIGN: Brass wire brush has a double head design, one is large and the other small, suitable for different places. The large head has 3 rows of hair and the small head has 1 row of hair. Whether it's a large stain or a small one, the double-headed toothbrush can clean perfectly. HIGH QUALITY MATERIALS: Wire brush is made of stainless steel, nylon and brass, which are durable, flexible, easy to clean and have a long service life. It is a good helper for SPECIAL OCCASIONS: Wire brush brass has hard stainless steel bristles for special uses: cleaning parts that require heavy scrubbing, paint, rust, etc. Curved brass bristles: cleaning parts untreated metal without damaging the surface or fine details. Soft nylon bristles: for cleaning and finishing fine parts such as coffee makers and irons. Wire brush set: A set contains 9 stainless steel wire brushes, including stainless steel, nylon and brass brushes. These wire brushes have a handle length of 17cm/6.7inch, a large 2.5cm/0.98inch head length and a small 1.2cm/0.47'' head length.