[EASILY INCREASE THE LIFE OF DRILL ]- Forget the of trying to find the by hand or accidentally tapering the edge of your tools. the utilization of drill , solve the troubles you have been buying drill , save time and save money. [STURDY AND DURABLE]- Made of high- ABS plastic and brown corundum grinding wheel, High hardness, rustproof, solid and durable,-centering , do not need assistant drilling or punching. [Warm-Tips]- The grinding wheel currently equipped with this product is brown corundum grinding wheel, so the product is mainly used for grinding iron-type drill . Other high-hardness drill are not suitable for use, and the loss will be relatively . [ and Efficient]- Compact and portable drill grinding tool, Use this drill bit sharpener with your power drill to keep sharp and for use. Specifications: Type: Corundum Drill Bit Sharpener Fit for: 2-12.5mm Iron-based Weight: 136g Colour: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 are not included. Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.