A pair of brand new 60mm positive and negative (A + B) propellers; suitable for 1mm hollow cup motor with diameter shaft Note: If the paddle has been installed on the motor. It is best not to pull it out (because it will make the hole loose) 【Name】: Propeller small four-axis propeller 【Model】: 60mm paddle (1mm) 【Specifications】: 60mm 【Aperture】: 0.97mm 【Material】: ABS 【Process】: Injection