## Common ground
All options refer to castor wheels, which are small wheels attached to furniture or equipment for mobility.
## Options at a glance
**3926.90 – Made of plastic material**
- **Defining trait:** Constructed primarily from plastic, often lightweight and cost-effective.
- **Typical examples:** Plastic caster wheels on office chairs, storage bins, or kitchen trolleys.
- **Best fit when:** The wheel is non-metallic, flexible, and used in light to medium-duty applications.
**8302.20 – Made of base metal**
- **Defining trait:** Constructed from metals like steel, iron, or aluminum, typically more durable and load-bearing.
- **Typical examples:** Industrial casters on warehouse trolleys, heavy-duty carts, or machinery.
- **Best fit when:** The wheel is metallic, designed for high weight capacity or harsh environments.
## Key differences
| Feature | 3926.90 (Plastic) | 8302.20 (Base Metal) |
|---------------------|--------------------------|----------------------------|
| Material | Plastic | Steel, iron, aluminum |
| Weight | Light | Heavy |
| Load capacity | Low to medium | High |
| Durability | Moderate | High |
## How to choose
- Is the wheel made of plastic? → 3926.90
- Is the wheel made of metal (e.g., steel or iron)? → 8302.20
## Overlaps & pitfalls
A castor wheel may have both a plastic body and a metal axle, but the primary material determines classification. If unclear, prioritize the main structural material. The HS Code depends on the dominant material—plastic vs. base metal—not minor components