Answer
For rusty garden tools, use 80 or 120 for heavy rust, then 180 or 220 to smooth.
Why it happens
Rust and soil residue need removal before the metal can be smoothed or protected.
Recommended grit
Use 80 or 120 for heavy rust, then 180 or 220 for smoothing.
Wet or dry
Dry.
Success check
The tool surface is clean, smoother, and ready for protection.
What to do
- Remove dirt and loose rust first.
- Use 80 or 120 on heavy rust.
- Refine with 180 or 220.
- Clean and protect the metal after sanding.
Avoid: Do not stop while loose rust remains on the tool.