3M Aqua Burnish Pad, 3100, 53.3 cm (21 in) - 5/Case - Round x 21" (533.40 mm) Diameter x 1" (25.40 mm) Thickness - Burnishing, Floor - Sheet Vinyl, Vinyl, Marble, Terrazzo, Concrete Floor - 1500 rpm to 3000 rpm Speed Supported - Durable, Scratch Remover - Nylon, Polyester Fiber, Resin - Aqua