RYOBI introduces the 2-Piece. Abrasive Brush Kit to our cleaning category. With stiff abrasive bristles, this brush kit is perfect for loose paint, rust, brick, and other tough material removal applications. The 2" and 3.5" diameter brushes are great for detailed cleaning in hard to reach areas This brush kit works with RYOBI Hex Shank Compatible Scrubbers and Tools. Included in this set is (1) 2" Abrasive Bristle Brush and (1) 3.5" Abrasive Bristle Brush.