Suitable for angle grinders with 5/8 -11 inch threaded . Black crimped wire cup brush, knotted steel wire cup brush, which are high Performance can prevent wire breakage for long time use. Perfect for removal of rust, corrosion and paint. Hardened steel wire for reduced wire breakage & Carefully premium wire steel, bound & balanced expertly & properly for unsurpassed knotted integrity for life, safety, smoothness & ease of use. Innovative spiral knotted and Crimped wires brush construction for a narrow face and precision deburring, clean thoroughly without residual stains, knot wire end brush constructed with internal holding plate to consistency and safety. and smoothly remove heavy corrosion, rust, paint, spatter and scale removal while also clean weld edges, debur metal and paint. Suitable for both metal and wood, used to clean metal surfaces, also works for removing rust, paint, and corrosion. color:As shown :steel wire Package Contents: 2 x Knotted wire cup brush 3inch 1 x crimped wire cup brush 3inch 2 x knotted wire wheel brush 4inch 1 x crimped wire wheel brush 4inch 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 a little different from the real thing. The measurement allowed error is +/- 1-3cm.