Rotary Brush, Application Sweeping, Fits Machine Size 20 in, Shape Round, Material Polypropylene, Bristle Material Polypropylene, Bristle Color Black, Brush Diameter 20 in, Trim Length 1 5/8 in, Block Size 19 in, Compatible with Manufacturer Part Number T300e, T350, Bristle Diameter 0.03 in, Compatible with Grainger Part Number 20KR12, Features For Indoor or Outdoor Use