Material: aluminum alloy
Motor side : 2.3 mm
Blade side : M4 screw hole (machined)
Drive shaft for 365/360 DC motor. One end is 2.3mm to connect the 365/360 motor rotating shaft, and the other end has been machined into M4 screw holes, which can be used to fix the propeller blades with M4 screws.
Aluminum alloy material, can be used in water for a long time, and is not easy to chemically react with water. Lighter weight and better appearance.