This brush is perfect for surface preparation such as deburring, polishing, and removing scale, rust, corrosion, weld scale and Crimped brass brushes,Heavy-duty cleaning of large metal surfaces.weld scale and corrodion removal,cleaning prior to welding.Rust pain removal,cleaning ships,steel tanks ks,Etc. SizeSLRotate speed(RPM)steel wire(mm)Qty/ctn(pcs)Carton Size(CM)20FT(pcs)40FT(pcs)3861045000. ...