Product description: 
1. Prepare the blade sharpener and any drill
2. Insert the blade sharpener into the drill
3. Place the knife between the sharpeners
4. Start sharpening the knife.

Package Included:
1 x Lawn mower blade sharpener

Note:
Due to lighting effects, monitor's brightness, contrast settings etc, there could be some slight differences in the color tone of the pictures and the actual item.
Please allow 1-2mm distinguish due to manual measurement, thanks.