Iron-based corundum grinding wheel drill bit range wrench grinding wheel mill guide jig accessory centering punching bench drills heavy machine artifact universal twisting dedicated head repair Easily increase drill bit life: Forget the days of trying to find the right angle by hand or accidentally tapering the edge of your tools. Improve the utilization of drill bits, solve the problems you bought, save time and money. Easily increase drill bit life: Forget the days of trying to find the right angle by hand or accidentally tapering the edge of your tools. Improve the use of drill bits, solve the problems you have purchased, save time and money. Material: Made of high-quality ABS plastic and corundum grinding wheel, high hardness, rust-proof, strong and durable, it can grind iron drill bits very well, and it is durable and not easy to damage. Specifications: Type: Corundum Drill Bit Sharpener Material: ABS Plastic + Brown Corundum Grinding Wheel NOTE: The grinding wheel currently equipped with this product is a brown corundum grinding wheel, so the product is mainly used for grinding iron-type drill bits. Other high-hardness drill bits are not suitable for use, and the loss will be relatively large. NOTE: Due to the light and screen difference, the item's color may be slightly different from the pictures. Please allow 0.5-2 cm differences due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual colors of the item. Please understand, thank you.