[EASILY INCREASE THE LIFE OF DRILL BITS]- Forget the days of trying to find the angle by hand or accidentally tapering the edge of your . the utilization of drill bits, solve the troubles you have been buying drill bits, save time and save money. [STURDY AND DURABLE]- Made of high-quality ABS plastic and brown corundum grinding , High hardness, rustproof, solid and durable,-centering , do not need assistant center drilling or center punching. [Warm-Tips]- The grinding currently equipped with this product is brown corundum grinding , so the product is mainly used for grinding iron-type drill bits. Other high-hardness drill bits are not suitable for , and the loss will be relatively . [Reliable and Efficient]- Compact and portable drill grinding tool, this drill bit sharpener with your drill to keep bits sharp and for . Specifications: Type: Corundum Drill Bit Sharpener Fit for: 2-12.5mm Iron-based Bits Weight: 136g Colour:Blue Material:ABS Plastic + Brown Corundum Grinding Size:about 185*40*32mm Package Contents: 1 x Corundum Drill Bit Sharpener 3 x Brown Corundum Grinding 2 x Wrench Only the above package content, other products are not included. Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.