iron-based corundum grinding wheel range of bits grinding wrench grinding wheel guide jig accessory centering punching bench drills heavy machine artifact universal twisting dedicated head repair Easily increase the life of drills: forget the days where you are trying to find the right angle by hand or by accidentally tapering the edge of your tools. Improve the use of drills, solve the problems you bought, save time and save money. Easily increase the life of drills: forget the days when you are trying to find the right angle at the right angle. hand or accidentally tapering the edge of your tools. Improve the use of drill bits, solve the problems you bought, save time and save money. Hardware: Made of high quality ABS plastic and corundum grinding wheel, high hardness, anti-rust, strong and durable, it can grind iron drill bit very well, and it is durable and not easy to damage. Specifications ： Type: Corundum drill sharpener Material: ABS plastic + Brown corundum grinding wheel Color: blue Suitable for: 2-12.5 mm iron-based bits Weight: 136g / 4.8oz Note: this does not include other things, the color is based on the first picture, and other pictures only show the effect Due to the differences between different monitors, the The picture may not reflect the actual color of the item. Due to manual measurement. Please allow deviation. Thank you!