Feature: 1. [Easy Installation] The grinding head of electric saw sharpener is easy to install and has good heat dissipation 2. [High Efficiency] Can be applied to chainless polishing agent to improve efficiency.Including 8 replacement finishing stones 3. [ Ensure Sharpness ] When used with an electric hand held grinder to ensure sharpness, your saw chain is easily grind 4. [Long Life] The titanium plating process is adopted, which means that the service life of these bits is longer than that of other bits 5. [Easy Care] Leaves an excellent cutting edge and can be easily combed on most electric chain grinders. It is very suitable for grinding chain sawtooth Specification: Item Type: Electric Saw Sharpener Material: Titanium Plated Emery Tool Handle: Approx. 3mm / 0.12in Scope 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