Feature:1. [Easy Installation] The grinding head of electric saw sharpener is easy to install and has good heat dissipation2. [High Efficiency] Can be applied to chainless polishing agent to improve efficiency.Including 8 replacement finishing stones3. [ Ensure Sharpness ] When used with an electric hand held grinder to ensure sharpness, your saw chain is easily grind4. [Long Life] The titanium plating process is adopted, which means that the service life of these bits is longer than that of other bits5. [Easy Care] Leaves an excellent cutting edge and can be easily combed on most electric chain grinders. It is very suitable for grinding chain sawtoothSpecification:Item Type: Electric Saw SharpenerMaterial: Titanium Plated EmeryTool Handle: Approx. 3mm / 0.12inScope of Application: These Electric Saw Grinding Heads Are Suitable for Metal Polishing, Such As Electric Saw, Wood, Mold, Steel, Etc.Weight: Approx. 26-34-41g / 1-1.2-1.4oz Package List:8 x Electric Saw Sharpener