## Common ground
All options are frames for decorative or functional display of flat items like paintings, photos, or mirrors.
## Options at a glance
**4414 – Made of wood**
- **Defining trait:** Constructed primarily from natural wood materials.
- **Typical examples:** Solid oak frame, pine shadow box, reclaimed wood picture frame.
- **Best fit when:** The frame is visibly made of wood, has visible grain, or is described as wooden.
**8306.30 – Made of base metal**
- **Defining trait:** Constructed from non-precious metals like iron, steel, aluminum, or zinc.
- **Typical examples:** Chrome-plated metal frame, black iron picture frame, aluminum mirror frame.
- **Best fit when:** The frame is metallic, shiny, heavy, or described as steel, iron, or aluminum.
## Key differences
| Feature | 4414 (Wood) | 8306.30 (Base Metal) |
|------------------|-------------------|------------------------|
| Material | Natural wood | Non-precious metal |
| Weight | Light to medium | Heavier |
| Appearance | Grain visible | Smooth, reflective |
## How to choose
- Is the frame made of wood (e.g., oak, pine)? → 4414
- Is it made of steel, iron, aluminum, or chrome-plated metal? → 8306.30
## Overlaps & pitfalls
A frame could be partly wooden and partly metallic (e.g., wooden front with metal backing), but the primary material determines the classification. If unclear, prioritize the dominant material. No option is vague—both are well-defined by material type