Set of 6 chainsaw sharpening stones - One set contains 6 chainsaw sharpeners for polishing and grinding, the diameter of the grinding head is about 4mm, with good workmanship, easy to use Quick and easy sharpening disc for quick and easy sharpening of saw blades. You can use some type of grinding wheel to sharpen your chainsaw chain. It works well. Don& 39;t press too hard. Don& 39;t try to use chains and be respectful. Think about the direction of rotation towards the teeth Easy to polish: the abrasive grains are evenly distributed, easy to polish, the abrasive grains are not easy to loosen, and the service life is extended High quality and durability, diamond sharpening stone, high hardness, strength and durability. quality product Wide range of applications - 6 pcs chainsaw sharpeners - For 12V mini electric sanders. Ideal for polishing metals like chainsaws, jade, wood, mold, steel , etc. Product Description: Features: Electric sharpeners are used to polish metal, especially heat-treated steel. Set of 6 sharpening stones for 12V mini electric sanders. A practical tool for sharpening knives, suitable for chainsaws or other rotary tools. Made of high quality diamonds with high hardness and durability. Good workmanship and easy to use. Features: Material: emery + diamond. Color: see photo. Diameter of the handle: 3 mm. Grinding head diameter: 4mm/0. 157". Total length of whetstone: 49mm. 949". Useful length of the abrasive disc: 20mm/0. 781". Quantity: Pack of 6. Contents: 6 chainsaw sharpening files.