APPLICATION: The propeller adapter is suitable for RC brushless motors and speed controllers prop.
PREMIUM MATERIAL: Made of high quality aluminum, it is durable to use.
SIZE: The motor axle hole diameter is 5.0mm and the shaft diameter is 8mm.
DELICATE WORKMANSHIP: With the delicate workmanship, this RC brushless motor is unique.
GUARANTEE: Our product have 180 days warranty, if you have any question about this product, please feel free to contact us, we will try our best to help you solve your problem.