40mm 5Blade Propeller Suitable  for 1.5mm Shaft  Motor, 4 colors of orange, yellow, blue and green are available.This price is a pair price (one CW and one CCW Propeller).

The back of the propeller is suitable for direct drive of the motor with 1.5mm shaft.

The length of a single blade is 20mm, so the diameter is 40mm.

The appearance of this blade is very strange, except for the small hole in the middle, there is also a large hole, which is about 13.4mm.

In fact, this large hole can just suitable for the rotor of some motors, but it is difficult to remove the propeller after installation. It is similar to the design of a cooling fan. Take a 1103 motor from our store to demonstrate.

There is also a heat dissipation hole in the middle of the propeller, so there is no need to worry about the motor overheating.

Orange CCW propeller weighs 0.92g.

Orange CW propeller weighs 0.91g.