Hausbell 9450 Self-Tightening Propellers for Phantom 3 (3 Pairs) 1:Compatible with phantom 3 only 2: THREE PAIRS OF PROPELLERS: 3 clockwise and 3 counter-clockwise propellers 3Durable and Easy to Use; Higher tension, easy to install 4: Each propeller weights 0.024(lb), diameter and screw pitch is 9.445 (in) 5:The use of durable engineering materials, making the quad copter achieve a significantly higher lift and thus more powerful