## Common ground
Both options describe non-electric, handheld tools used for mechanical tasks.
## Options at a glance
**8205.51 – Hand tools of base metal**
- **Defining trait:** Made primarily from base metals (like steel or iron) and designed for manual operation without moving parts.
- **Typical examples:** Pliers, wrenches, screwdrivers, hand-held nutcrackers with simple lever action.
- **Best fit when:** The tool is a basic, rigid device made of metal with no complex mechanisms.
**8210.00 – Mechanical appliances under 10 kg**
- **Defining trait:** Includes devices with moving parts or mechanical systems (e.g., levers, gears) that amplify force, even if manually operated.
- **Typical examples:** Hand-powered meat grinders, manual presses, mechanical nutcrackers with spring or hinge mechanisms.
- **Best fit when:** The tool uses a mechanism (like a lever system or pivot) to enhance force application.
## Key differences
| Feature | 8205.51 – Hand tools of base metal | 8210.00 – Mechanical appliances under 10 kg |
|-----------------------|------------------------------------|---------------------------------------------|
| Material | Base metal only | Any material, but includes mechanisms |
| Moving parts | None | Yes (e.g., levers, hinges) |
| Complexity | Simple, rigid design | Mechanized function |
## How to choose
- Does it have moving parts like a hinge or lever? → 8210.00
- Is it just a solid metal piece with no mechanism? → 8205.51
## Overlaps & pitfalls
A nutcracker with a simple metal jaw and no moving parts fits both, but the **main function** determines the classification: if it’s purely a hand tool (e.g., pliers-like), use 8205.51; if it uses a mechanical advantage via levers or hinges, use 8210.00. The term “mechanical” in 8210.00 includes any device with force-amplifying mechanisms—even manual ones—so prioritize the **presence of moving parts** over material alone