2-in-1 Design: There are 2 types of materials in the set. which is harder. When used in combination, they can clean or deburr with more efficiently. Versatile Applications: Designed for optimal performance, are Perfect for removing rust, paint, corrosion, and welding slag from a of surfaces including metal, steel, stainless steel, wood, aluminum, plastic, PVC, tile, and stone. Efficiency: This set of steel brush uses ultra-fine 0.012-inch diameter curved wires that are evenly distributed and tightly arranged. More wires can withstand high-speed operation of 4500 rpm, greatly improving work efficiency. Groove Design: The wire brush shank has a groove the middle, which can be better installed on hand drills, angle grinders, bench drills, and other power tools, providing safety and convenience. Please note: the physical slightly color difference or difference, please do not mind, does not affect the use, thank you! Colour:Photo Color Material:steel wire Package Contents: 14 x Wire Wheel Brush Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.