Mzk 20V 12'' Cordless String Trimmer, Grass, Battery And Fast Charger Included [Upgraded Motor] MZK cordless string trimmer features a brand-new upgraded motor with a high speed of 8000 RPM, ensuring efficient and effective cutting and trimming. [12-inch Cutting Diameter] MZK cordless string trimmer boasts a 12-inch cutting diameter for larger coverage. Equipped with an automatic line feed system, allowing the trimmer to release line automatically during use, eliminating the need for manual adjustments. [Lightweight Design] Weighs only 6.3 lbs and comes with an ergonomic adjustable handle, providing effortless operation and reducing user fatigue. [Extended Usability] Includes one built-in spool and comes with four additional replacement spools, making it ideal for typical household lawn care with enough supply for a full year of maintenance. [Fantastic Customer Service] MZK committed to providing you with the best shopping experience possible. If you have any questions or problems with your MZK tool, please feel free to contact us. We're always here to help you solve any problems you may encounter.