The propeller has stable flight ability, and it can efficiently enhance the reliability and stability during the drone flight.Featuring built-in nut thruster, low noise and long service time, the drone propeller is practical to use and easy to fly.Made of high-quality ABS material, the drone propeller is durable, sturdy, and impact-resistant for long-time use.The length of the drone propeller is approx 25.4cm, the width is approx 2.8cm and the thickness is approx 1.5cm.It is compatible for GoPro Karma and is easy to install. As it is lightweight and compact, it is portable to carry.Item Name: Drone PropellerMaterial:ABSCompatible Models: for GoPro KarmaSize:25.4cmx2.8cmx1.5cm/10inx1.1inx0.59inNotes:Due to the light and screen setting difference, the items color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:4 X Drone Propellers (Drone Not Included)