Pooqdo(TM) Hot Sell 4 Pair 8PC 1345 Self-tightening Carbon Fiber Propeller for DJI Inspire 1 Compatible with DJI Inspire 1 quadcopter Replacement for 1345 self-tightening propellers Made of lightweight carbon fiber, Weight (g): Approx 44/pair Tips: To avoid imbalance, do not use original propellers and carbon fiber propellers at the same time Package included: Counter-clockwise (CCW) Propeller x 4; Clockwise (CW) Propeller x 4; Free touch screen stylus pen is included (Random color shipped)