DJI Original E800 Tuned Propulsion System Props 1345s Self-locking Carbon Fiber Reinforced Quick Release Propellers (CW + CCW) 4 Pcs Compatible with Inspire 1 Quadcopter (this version does not require DJI safety lock) - Yellow Stripe DJI original product. 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 Package included: CW Propeller x 2; CCW Propeller x 2 (DJI motor is NOT included); Free touch screen stylus pen is included (Random color shipped)