Easy to use: it can be easily screwed onto an electric grinder and can easily sharpen chains and serrated blades.
Use with electric grinder: this product is electric grinding accessories kit, and it should be used with electric grinder.
High hardness high heat resistance: high-speed steel grinding heads have of high hardness, high wear resistance, high heat resistance and impact resistance, so you don't have to worry about it being damaged.
Best sharpening angle: the guides in the accessories provide the best sharpening angle.