The G grinding wheel currently used in this product is brown corundum grinding wheel, so this product is mainly used for grinding iron drills. Other high-hardness drills are not suitable for use, and the loss will be relatively large.Features:Use an electric drill with a mandrel to drive this tool.Sharpen the drill bit and improve work efficiency.The grinding wheel is made of wear-resistant corundum.The sharpening effect is good and labor saving.Light weight, small size, and easy to load.Product specifications:Color: blue/orangeMaterial: ABS+corundum grinding wheelGrinding wheel material: brown corundum grinding wheelHandle material: ABSProduct size: 180*40*32mmThe package includes:As picture shownDear buyer,Welcome to our store. There are so many useful and cheap item in our store. If you need more this item ,you can contact us.we will give you our best price. Leave your message!