Dico 541-787-3/4 Nyalox End Brush 3/4-Inch Blue 240 Grit This item is Dico 541-787-3/4 Nyalox End Brush 3/4-Inch Blue 240 Grit Used for Handtools & Tool Organizers, Concrete/Masonry Tools The product is manufactured in China Last up to (10) times longer that Wire Brushes Convenient Shapes and Sizes for all jobs Gray-Extra CoarseOrange-Coarse and Blue-Fine Will not rust & maintains its shape. Safer to use. For light cleaning and polishing of woods and metals