Easy to use: The portable household oil saw chain grinder, just turn the handle, it can be easily polished, with the chain saw sharpener for 3 - 5 seconds, it can easily clean the passivated saw chain. The new chain saw sharpener provides an easy and quick way to sharpen the saw chain, which is very convenient. Small and Portable: Chain sharpener, anti - corrosion and anti - rust, very light and small, can be carried anywhere, convenient for outdoor use, protect your hands from injury, make your outdoor work more heart-saving and effortless. Suitable for all kinds of electric chain saw accessories, the chain of the size of the chain saw sharpener can be sharpened, without loose chain and easy to use. Portable chainsaw sharpener: Many of the scenes where we use chainsaws are in the field. When you carry an electric saw chain grinder, the load increases and there is even no power supply. This chain saw sharpener is easy to carry, light in weight and simple in construction, it is very convenient to use outdoors.