Niwaki Sharpening Stone
Fantastic sharpening stones specially designed for secateurs, but also great for shears, topiary clippers and other sharp stuff. The concave edge follows the curve of the blade perfectly. They're also small enough to get into tight spots.
See the link for instructions and a video, but the golden rule is to
Niwaki Tip: Use the #1000 grit for a few minutes every week to keep your secateurs in top condition
- Brown #1000 grit: fine, for regular sharpening
- Soak thoroughly each time before use. Be careful not to drop them.