Natural hair and synthetic fiber pad designed for best gloss. Provides excellent results on a wide variety of floor finishes and traffic conditions. Equipment Type: Electric, Battery, Propane. Machine Speed: Ultra High Speed, 1,500 RPM and above.Natural hair and synthetic fiber padProvides excellent results on a wide variety of floor finishes and traffic conditionsUltra-high-speed 1500 – 3000 RPMFor use with electric, battery or propane floor machineContains a minimum of 50% post consumer recycled content; the recycled polyester used is third party certified for post consumer recycled contentThis product is an industrial product manufactured outside of CA, thus is not subject to CA Prop 65, it has not been assessed for consumer sale or use