MyBDJ 20PC/5Set Cheerson Upgraded 3-Leaf Propellers for CX-10 CX-10A RC Quadcopter Item Name: 3-Leaf Propellers Material: ABS Usage for Cheerson CX-10 CX-10A RC Quadcopter More strength,can increase the flexibility of the quadcopter. 3-Leaf Propellers better noise reduction effect,can be reduced by 50%-80%.