Item Details: * new and high quality *Made of high-quality materials, and practical *Powered by electric drill *Increase drill bit utilization *Wear-resistant corundum grinding wheel *Easy to use and carry. . *Fast : Great for fast drilling, tapping,etc. And Fast replacement composite cone, uses drill edged principle *Lightweight and Compact: Lightweight and compact size, the drill ening tool is easy to carry *Material:Made of high-quality ABS plastic and brown corundum grinding wheel, it can grind iron drill bit very well, and it is and not easy to damage *Applicable Type:Mainly used for grinding iron drills, other high hardness drills are not suitable for use *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 *Material: ABS + corundum grinding wheel *Main Color: Blue(As Pictures Show) *Size: 185 * 40mm / 7.28 * 1.57 inches Package Contents: 1 * Drill ener 4 * Millstone Accessories 1 * Wrench Notes: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data .