From dull to sharp in as little as 3 seconds * PowerSharp 2-Piece Starter Kit for 18-inch chain on Craftsman, Homelite, Poulan, and Poulan Pro Saws * Starter kit includes PowerSharp chain, PowerSharp bar, sharpening stone, and bar-mount sharpener * Contains PowerSharp 539457 bar and PowerSharp PS62 chain * For 3/8-inch pitch low profile chain and .050-inch gauge cutting systems