Quick Effects: Chainsaws dull over time and use, lose efficiency and wear out. This chain sharpener tool has 5 speed levels, adjustable from 8,000-35,000 RPM, and the 180W machine makes it easy to sharpen even the dullest chainsaws in minutes. Save your time and energy Versatile Chainsaw Sharpener Kit: Cordless Electric Chainsaw Sharpeners are made of high-quality materials and come with a wide range of accessories for a wide range of chain sharpening, wood and stone cutting, engraving, drilling, sanding, polishing, drilling and bending Cordless and Rechargeable Design: Comes with a 12V Lithium rechargeable battery can support 2 hours of working time. Whether indoors or outdoors, it is very simple and convenient to the shackles of wired use and Portable: The chainsaw is , easy to use, comfortable to hold and easy to control. The diamond burr is the hardest and abrasive material, stable and requires only a small amount of to be removed., Manufacturer: Graootoly