Compatible with: 36190 folding propellers for the X9 Plus MAX drone, allowing for easy replacement. Quantity and Specifications: Shipment based on your selection. : Made of sturdy, lightweight , suitable for extended flight environments. Performance: Folding design allows for easy storage and transportation, improving flight stability and reducing energy consumption. Installation: The propellers are compatible with the connector and can be directly replaced. Professional installation is recommended for optimal stability and reliability.