Scotch-Brite Clean & Shine Pad, 20 in (50.8 cm) - Round20" (508 mm) Diameter x 1" (25.40 mm) Thickness - Cleaning, Polishing, Scrubbing, Floor - Vinyl Composition Tile (VCT), Luxury Vinyl Tile (LVT), Vinyl, Rubber, Stone, Terrazzo, Marble, Concrete Floor - 150 rpm to 400 rpm Speed Supported - Polyes