General description 18 Pack Wire Brush Wheel for Drill includes 1-inch crimped end wire brushes designed for paint-surface and small spaces. This set features an upgraded 1/4 inch hex shank for improved firmness during operation, ensuring no loosening or slipping even under heavy loads. The wire wheels come in two sizes (1 inch and 1.2 inches), making them ideal for precision work in tight areas. Technical specifications Hex Shank Size: 1/4 inch Wire Brush Sizes: 1 inch and 1.2 inches Maximum Speed: 4500 RPM Material: Steel Color: Silver Package Contents: 3 sets of wire brushes for drill Measurement Error: +/- 1-3 cm Usage Rust removal Paint removal Deburring Smoothing weld scars Wood processing