Rotary Brush, Application Polishing, Scrubbing, Fits Machine Size 28 in, Shape Round, Material Nylon, Bristle Material Nylon, Bristle Color White, Brush Diameter 14 in, Trim Length 1 7/8 in, Block Size 13 1/2 in, Compatible with Manufacturer Part Number T5, T500, T500e, T5e, Bristle Diameter 0.04 in, Compatible with Grainger Part Number Not Applicable, Features Will Not Scratch Tile Terrazzo or Coated Surfaces, Includes (1) Brush