[EASILY INCREASE THE LIFE OF DRILL BITS] - Forget the difficulty of trying to sharpen drill bits by hand or accidentally tapering the edge of your tools. With the use of this drill bit sharpener, solve the problems you've been experiencing, save time, and save money. [STURDY AND DURABLE] - Made of high-quality ABS plastic and brown corundum grinding wheel. High hardness, rustproof, solid and durable. Features centering function, no need for assistant drilling or punching. [WARM TIPS] - The grinding wheel equipped with this product is a brown corundum grinding wheel. Therefore, this product is mainly used for grinding iron-type drill bits. Other high-hardness drill bits are not suitable for use, and wear may occur. [COMPACT AND EFFICIENT] - Compact and portable drill grinding tool. Use this drill bit sharpener with your power drill to keep bits sharp and ready for use. Specifications: Type: Corundum Drill Bit Sharpener Fit for: 2-12.5mm Iron-based Drill Bits Weight: 136g Color: Blue Material: ABS Plastic + Brown Corundum Grinding Wheel Size: about 185*40*32mm Package Contents: 1 x Corundum Drill Bit Sharpener 3 x Brown Corundum Grinding Wheel 2 x Wrench Only the above package content, other items are not included. Note: Light and different displays may cause the color of the item to appear slightly different from the real thing. The measurement allowed error is +/- 1-3cm.