3M High Productivity Pad, 7300, 505 mm (20 in) - Round20" (508 mm) Diameter x 0.50" (12.70 mm) Thickness - Stripping, Floor - 175 rpm to 600 rpm Speed Supported - Textured, Dirt Remover, Durable, Abrasive - Nylon, Resin - Black - 5 / Case