For wet stripping- with aggressive agent- nylon fiber.175 to 320 RPM. Long lasting, heavy duty stripping. A very aggressive agent is embedded throughout the pad which will remove old synthetic finishes. All Thin Pads Packed 10 Pads Per Case, All Thick Pads Packed 5 Pads Per Case, Pads Sold By The Case Only, *27" pads are sold 2 per case.