Handle length: 13cm, head length: 4cm or so, and the width of the brush head is 1cm. Durable materials: Made of stainless steel, nylon and copper, 5 pieces, strong and durable, can completely clean rust and detail. Wide Application: Suitable for cleaning steel parts, machinery, unfinished metal parts, paint stains, special corrosion without damaging surfaces or fine features. Easy to maintain. Each wire brush has a hole, a special design is convenient for users to hang and store, and the comfortable and durable handles are easy to hold and control. Notes: Use a stainless steel bristle brush to clean areas that require heavy cleaning.