Product description:(Very Important) Grinding wheel currently used in the product is a brown corundum grinding wheel, so the product is mainly used for grinding iron drills. Other high hardness drills are not suitable for use, and the loss will be relatively large. The tool is driven by an electric drill to drive the mandrel, rotate the brown corundum grinding wheel, polish the drill bit, etc. The hexagonal opposite (1/4") handle is suitable for use on various tools such as electric, manual, pneumatic screwdrivers, etc. It is suitable for grinding 2.0-12.5mm drill bits to play the role of grinding and repairing. Drill bit grinding drill--product operation: 1. Install the grinder on the electric drill and lock the chuck 2. Hold the electric drill in one hand and the grinder in the other hand, use your thumb to gently push the drill bit 3. When working, the electric drill needs to rotate forward and the speed needs to be fast Features: 1. Material: Made of high-quality plastic and corundum, high hardness, rustproof, solid and durable. 2. Easy to carry: Lightweight and compact size, the drill sharpening tool is so convenient and easy to carry and store. 3. Applicable type: Mainly used for grinding iron drills. NOTE: The other high hardness drills are not suitable for using. 4. Widely use: Great for fast drilling, tapping and more. 5. Great effect: The grinding wheel drill bit has great sharpening effect, saving much effort and time. 6. Durable: Wear resisting corundum grinding wheel for long-term use. 7. Applicable drill size: 5/64" - 13/64" (2mm-5mm) 7/32" - 21/64" (5mm-8mm) + 11/32"-1/2" (8mm-12.5mm) , angle And width can be adjusted. 8. After use, place in a dry and clean place. Do not use with harsh chemicals, it might reduce the lifetime. Notes: 1. Please allowed 1-3mm differences due to manual measurement, thank you! 2. Due to the difference between different monitors, please understand that the picture may not reflect the actual color of the item. 3. After use, place the drill sharpener in a place that is out of reach of children to prevent sharp parts from harming children. 1. Due to different monitors and lighting effects, the actual color may be slightly different from the image 2. Due to manual measurement, please allow 1-3cm deviation Size: Length 170mm Width 85mm Shipping color: blue Quantity shipped: 1