Features an adjustable grinding angle for compatibility with chains from 12 to 20 inches, providing flexibility and precision across different chainsaw models. Includes a safety handle for enhanced comfort and reduced fatigue, with a stable base that minimizes movement during use to improve accuracy and safety. Service:We attach great importance to our customers' shopping experience. If you have any questions, please feel free to contact us, we will reply you as soon as possible within 24 hours Equipped with a 220W motor running at 7500 rpm, this chainsaw sharpener ensures fast and accurate sharpening, saving time and effort for both DIY enthusiasts and professionals. Constructed from high-quality materials, it offers durability and resistance to rust and wear, ensuring reliable performance in various indoor and outdoor environments., Manufacturer: JMOUZHG