GoolRC RC Part 16Pcs/lot four colour 3-Leaf Propeller Set for CX-10 CX-10A WLtoys V646 V676 JJRC H1 H7 Hubsan H111 Quadcopter High quality and durable perfermace. 3-Leaf propellers better noise reduction effect. More colour to choose from. More strength,can increase the flexibility of the quadcopter. Compatible with CX-10 CX-10A WLtoys V646 V676 JJRC H1 H7 Hubsan H111 quadcopter.