365126 Features: 3-leaf propellers can be used for upgrade of multi styles quadcopters， can reduce noise， better noise reduction effect. Material: Plastic Color: green and black Size: 23mm radius Quantity: 4pcs (2pcs green + 2pcs black) Applicable models: JJCR: H108 H108C H6C JXD: 385 388 392 Hubsan: H107 series 4 x 3-Leaf propeller