CNC Propeller 37mm 2-blade 3719 P1.9 Thread Propeller for M4 Prop Shaft RC Boat

High quality aluminum 2 blade 3719 CNC alu propeller dia 37mm pitch 1.9p for M4 shaft rc boat (PZ815). propeller There are internal thread :M4. shaft size : 4mm. pitch : 1.9.

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