Easily Increase Drill Bit LifeForget 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. ApplicationThe grinding drill tool is portable and easy to use, suitable for grinding 2mm-5mm (5/64"-13/64"), 5mm-8mm (7/32"-21/64"), 8mm-12.5mm (11/32"-1/2") straight shank drill bits. Sturdy and DurableMade of high quality ABS plastic and brown corundum grinding wheel, high hardness, rustproof, strong and durable, self-centering point, no need for assistive center drilling or center punching.Portable tools that you can carry around and don't take up space in your backpack. Ideal ApplicationCompact and portable drill bit grinding tool, use this drill bit sharpening tool with your electric drill to keep bits sharp and ready to use. This diamond drill bit sharpener is mainly used for grinding iron drill bits, not suitable for other high hardness drill bits. Specifications: Type: Corundum Drill Bit Sharpener Material: ABS plastic + brown corundum grinding wheel Color: Orange + Blue Suitable for: 5/64"-1/2" (2-12.5mm) iron-based drill bits Product size: 180*40mm*32mm Net weight: 0.08kg Package includes 1XOrange Corundum Drill Bit Sharpener 1 X Brown Corundum Grinding Wheel 1X Wrench 1X Snap Note: This does not include other things, the color is based on the first picture, and the other pictures only show the effect Due to the differences between different monitors, the picture may not reflect the actual color of the item. Due to manual measurement. Please allow the deviation. Thank you!becomeveryrich