•Occasional saw chain users sometimes spend too much time using hand files to sharpen dull chain, or they lose an afternoon taking it to a dealer for professional sharpening. Fumbling an inexact sharpening is a thing of the past with PowerSharp. •PowerSharp takes saw chain from dull to sharp in as little as three seconds. •PowerSharp is also ideal for professional users who want greater productivity on the job. •Professionals get precise and knife-sharp edges quickly and easily –every time.