Tough Guy floor machine burnishing pad features a higher content hog's hair and synthetic fiber pad. Specifically designed for scratch removal on hard finishes and low frequency burnishing programs.,1500 to 3000 rpm,5 pads per pkg.Specifications :Pad/Brush Shape: RoundMaterial: Non-Woven Natural/Polyester FiberColor: WhiteFor Use With: Electric, Propane Floor MachineCenter Hole: 3 3/4 inGreen Environmental Attribute: Product Contains a Minimum of 50% Post-Consumer Recycled ContentWARNING: California ResidentsThis product and/or packaging can expose you to chemicals including Styrene, which is known to the State of California to cause cancer and birth defects or other reproductive harm.