This set includes 10 stainless steel wire brushes with a 3.17mm shank, designed for rotary tools. The brushes are ideal for cleaning and removing debris from various surfaces, with the durable steel bristles ensuring efficient and effective cleaning. The stainless steel handle provides durability and longevity, making these brushes a reliable choice for any cleaning tasks. The set comes with 10 pieces, each measuring the same length and width as shown in the image. Ideal for both professionals and DIY enthusiasts, this cleaning set is a versatile and essential addition to any toolbox.