This silicone-based wax is a cooling compound that cools and lubricates during saw chain sharpening operations and is to be used when sharpening STIHL saw chains with the STIHL battery-powered chain sharpener. Kool Grind increases grinding wheel life by coating and lubricating grinding wheels, preventing clogging and glazing, allowing the saw chain to sharpen cooler and faster.Visit our STIHL Dealership for this and other STIHL accessories.