High quality carbon fiber material.Long lasting and easy to install.Very strong and light weight.Perfect for Parrot Bebop 3.0 QuadcopterSpecifications:Item Type: 5042 PropellerMaterial: Carbon FiberLength: 5 inchCentral Hole: 4.2mmColor: As the Picture ShowSuitable for Parrot Bebop 3.0Package Included:2 x CW 5042 Propeller2 x CCW 5042 Propeller