8Pairs 3-Leaf Propeller 7X3.7X3 7037/ 7X5X3 7050 / 7X4X3 7043 / 7.5X3.7X3 7537 Plastic CW CCW Prop for 7inch RC FPV Drone Paddle Color:8Pairs 4.9x4 Come with M3*8 Screws for

Come with M3*8 Screws for assembling

5mm shaft design instead of thread shaft for saving weight

then switch on the unit and wait for the data to change to single digits before taking another speed test

*High-strength 4mm Titanium alloy shaft

Detachable antenna

8Pairs 3-Leaf Propeller 7X3.7X3 7037/ 7X5X3 7050 / 7X4X3 7043 / 7.5X3.7X3 7537 Plastic CW CCW Prop for 7inch RC FPV Drone Paddle Color:8Pairs 4.9x4 Come with M3*8 Screws forDetail: Model: 7. 5X3. 7 7X5. 5 7X4 7X3. 7 7X3. 5( optional) Propeller Diameter: 7. 5inch(7. 5X3. 7X3), 7inch Pitch : 3. 7,5. 5(7X5. 5),3. 5(7X3. 5) Material : Plastic Weight : 10g(7X5. 5) ,9. 7g(7X4),9. 4g(7. 5X3. 7),8. 8g(7X3. 5) ,8. 2g(7X3. 7) Hub Diameter : 15mm(7. 5X3. 7),13. 8mm(7X3. 7),13. 5mm(7X3. 5)(7X4),13(7X5. 5) Hub Thickness: 6. 8mm ,7mm(7X3. 5) Shaft : 5mm Adaptor Rings : NO Package Content: 8pairs * propellers ( 4 x CW + 4 x CCW )