T-MOTOR QAD PA061 Prop Adapter 18-22 inch Propeller – 2PCS

T-MOTOR QAD Prop Adapter 18-22 inch Propeller – 2PCS

QAD – Quick Attach Detach

Suitable for U5, U7, P60 and more

Includes a pair of connectors one A and one B, for use on 2 motors.

recommended install A on CW and B on CCW.

for a quad copter you need to buy 2 pairs, Octocopter 4 pairs.