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 & long lifeCarefully premium wire steel, bound & balanced expertly & properly together for unsurpassed knotted integrity for longer 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.Easily 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 well for removing rust, paint, and corrosion.color:As shownMaterial:steel wirePackage Contents:2 x Knotted wire cup brush 3inch1 x crimped wire cup brush 3inch2 x knotted wire wheel brush 4inch1 x crimped wire wheel brush 4inchOnly 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.