Features [Good sharpening effect] This portable drill sharpener has good sharpening effect and saves effort. [Wear-resistant] This portable drill sharpener wear-resistant corundum grinding wheel. [Improve working performance] This portable drill sharpener can sharpen the drill bit and improve its working performance. [How to use] This portable drill sharpener requires an electric drill with a chuck to drive the tool. [Easy to carry] This portable drill sharpener is light in weight, small in size and easy to carry. Features: Use electric drill with chuck to drive this tool. Sharpen drill bits and improve their working performance. Wear resisting corundum grinding wheel. Good sharpening effect, saving much effort. Light weight and compact size, easy to carry. Specification: Material: Corundum + ABS + Steel Color: Blue Package Size: 19*8*4cm/7.5*3.1*1.6in Package Weight: Approx. 121g/4.3oz   Package list: 1 * Drill Bit Sharpener 1 * Spanner Package List