1. Made of high-quality steel, high hardness, wear-resistant, and durable.
2. Suitable for household appliances, garden machinery, outdoor vehicles, electric toys and tools, industrial manufacturing, etc.
3. Adopting a double-layer protective cover to prevent dust or other foreign objects from entering and damaging the bearings.
4. Inner diameter 20mm, outer diameter 35mm, outer diameter 37mm, thickness 11mm.
5. One package contains 10pcs.