This is depending on how many times you cut your blade:
Sharpening it 2x:
- Wood
- Drywall
- Plastic
Sharpening it 3x:
- Wood
- Drywall
- Plastic
- Nails
- Copper
- Aluminum
- Other light metals
It also depends on the type of blade you want to sharpen. A list of all the materials you can cut are provided together with the blade you bought.
Sharpening your dull blades with the Sharptool will make it feel like new!