1. Suitable for 450 helicopter accessories parts.
2. Easy to assemble and carry.
3. Ensure stable flight, good balance and excellent performance.
4. Made of high quality material, light and durable.
5. Repair damaged or old parts.
6. Overall length: 325mm/12.80 inches
7. Propeller width: 33 mm/1.30 inches
8. Thickness: 4.8mm/0.19inch
9. Hole diameter: 3 mm/0.12 inches (with copper sleeve)
10. Single piece weight: 23g (glass fiber), 26g (carbon fiber)