TEKTON 7064 Mini Wire Brush Set (Nylon, Brass, Stainless Steel), 3-Piece Toothbrush size is made for small jobs and tight spaces Nylon bristles clean delicate parts and detail vehicle interiors Brass bristles clean unfinished metal parts without damaging surfaces or fine features Stainless steel bristles clean parts that need heavy duty scrubbing Comfortable fingergrip handles are easy to hold and control