Specification Brand : Brush Research ItemName : Brush Research (BRMBNH6020) BNH-6 .020 KNOTTED END BRUSH ItemTypeKeyword : wire-brushes Manufacturer : Brush Research Material : Carbon Steel NumberOfPieces : 1 PartNumber : BNH6020 ProductDescription : Features and Benefits:Standard knotted wire end brushes are more aggresive than solid end brushes; Uses include removing carbon from heads and porting applications; Abrasives; 20,000 RPM; Cleans castings, blending, and polishing dies.Trim length 7/8 in. 020 carbon steel. 20,000 RPM Cleans castings, blending, and polishing dies. Removes carbon deposits on piston heads, cylinders and valve seats. ProductSiteLaunchDate : 2009-07-15T00:00:00.000-07:00 UnitCount : 1