Durable plastic construction provides both lightness and rigidity, simply rotate the propellers by hand to attach or detach.
Hightlights Self-tightening design keeps the propellers securely to each motor
Diameter/Pitch of Screw: 9.4*5.0in (24*12.7cm).Weight: 13g for each.
Compatible with DJI Phantom 3 Professional/Advanced/4K/Standard, Phantom 2 and
Phantom 1 Quadcopters.
2 Pairs of Propellers.