HightlightsSelf-tightening design keeps the propellers securely to each motorCompatible with Phantom 3 Professional and Phantom 3 AdvancedDurable plastic construction provides both lightness and rigidityOverviewSelf-tightening design, simply rotate the propellers by hand to attach or detach.One pair of propellers: 1 clockwise and 1 counter-clockwise propeller.Basics: each propeller weights 13g, diameter and screw pitch is 24×12.7cm.CompatibilityCompatible with Phantom 3 Professional and Phantom 3 Advanced