Oregon PS55 PowerSharp Chain and Sharpening Stone Bar Length_77" It is suggested to replace

It is suggested to replace at least twice yearly to ensure a consistent level of protection and comfort

it is lightweight

Complete unit includes "A" and "B" anvils and "A" and "B" take-up handles that service up to

7 lbs per pair

Oregon PS55 PowerSharp Chain and Sharpening Stone Bar Length_77" It is suggested to replaceOccasional 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 3 seconds. PowerSharp is also ideal for professional users who want greater productivity on the job. Professionals get precise and knife sharp edges