1、- Compact structure, comfortable grip and convenient operation. 2、- Made of high quality materials \u0026 fine workmanship, achieving stable and excellent performance, High quality and long service life. 3、- High strength \u0026 high hardness, High quality \u0026 labor-saving. 4、- 180W power, high speed, ensuring high efficiency operation. 5、- The grinding head can be replaced at will, easy to install and use, more practical. 6、- Equipped angle guide helps to fix the grinding angle to reduce vibration, avoiding errors. 7、- Electrode Sharpener: Excellent for sharpening electrode rods, fits most rotary tools with a 3/4-12 thread. 8、- Diamond Grinding Wheel: Features good hardness and wear resistance, used for grinding TIG, welding electrodes or cutting a wide variety of materials, comes with 10pcs for replacement. 9、- Zipper Storage Pouch: For keeping the sharpener and diamond wheels, easy to carry around. 10、- Suitable for grinding 2 sizes , 2 angles tips for each size. 4 types holes 1/16\ 1.6mm 15°, 1/16\ 1.6mm 20°, 3/32\ 2.4mm 15°, 3/32\ 2.4mm 20°. 15° is 30° when grinded on tips, 20° is 40°. Each type with 3 holes will grind different circles on diamond wheels and reduce diamond wheels consumption by 2 times. 11、- Suitable for beginners or professionals grinding chain, cutting wood and stone, drilling and bending.