Electric chainsaw chain sharpener with 3 grinding heads, mains powered, 5 speeds for precise chain sharpening

【Efficient and Precise Sharpening】Equipped with a professional adjustable sharpening angle and continuously variable speed control, this machine allows for fast, clean, and precise sharpening, extending chain life. 【Complete, Ready-to-Use Kit】The kit includes: 3 grinding heads of different sizes (4.0 / 4.8 / 5.5 mm), 2 spare grinding heads, 2 spare parts, an angle protractor, a small wrench, and a pair of woven protective gloves. Compatible with various chain sizes. 【Powerful and Stable Pure Copper Motor】The high-quality pure copper motor ensures consistent power, stable operation, and high grinding efficiency, suitable for frequent and heavy-duty use. 【5 Speeds + Efficient Ventilation】Adjustable to 5 speed levels to adapt the power to the material and application. Rotation speed from 10,000 to 37,000 RPM. The ventilated design improves heat dissipation and extends tool life. Optimized design, easy to use: Spindle lock for quick head changes, compatible with 6mm chucks. Removable grinding cap, integrated hook and handle.