Hobby-Ace 4PCS 1345s Carbon Fiber Reinforced Quick Release Propellers Compatible with DJI Inspire 1 Quadcopter Compatible with DJI Inspire 1 quadcopter (1345s self-locking propellers do not require DJI safety lock) and E800 Tuned Propulsion System Note, it needs to be mounted on 22 quick release rotor adapter (please purchase the adapters if you do not have them) Perfectly suited to the motor deceleration functions native to your Inspire 1 Enhances reliability during flight. Features a new locking mechanism that prevents your propellers from becoming loose during flight More propeller products are provided by Hobby-Ace on the Amazon.Bring your eyes into the sky and racing like a free bird, enjoy the ultimate first person view experience.