This is a floor maintenance buffing pad designed for softer floor finishes where frequent burnishing is required. Pad is long-lasting & produces less dust while minimizing point build-up, burning & swirl marks. Made of polyester fiber in a non-woven web construction. The fibers are bonded to the web structure with a durable resin system that permeates the entire pad. Unique design & durable construction make these pads the industry standard for consistent performance & long life. For ultra-high-speed machines: 1,500 rpm & higher. Application: Burnishing; Diameter: 21"; Color(s): Sky Blue; Color Family: Blue.