Features: brand new and high quality. Application: This diamond Drill Bit Sharpener is mainly used for grinding iron drills, not suitable for other high hardness drills. Compact and portable drill grinding tool, use this drill bit sharpening tool with your power drill to keep bits for sharp and ready for use. Improve the utilization of drill bits, solve the troubles you have been buying drill bits, save for time and save money. It is suitable for grinding 2.0-12.5mm drill bits to for play the role of grinding and repairing. Made of high-quality plastic & metal, high hardness, rustproof, solid and durable,it can grind iron drill bit very well, and it is durable and not easy to damage. Specifications: Material: Plastic + Metal Size: approx 170x85mm/6.69x3.35 inches Color: Blue/Orange Type: Blue 1x Grinding Wheel Set/Blue 3x Grinding Wheel Set/Orange 1x Grinding Wheel Set/Orange 3x Grinding Wheel Set Note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1x Polishing Grinder Wheel Tool