High quality aluminum material. Material: Aluminum.
RC 2pcs 5mm Aluminum Bullet Prop/Propeller Adapter Holder for Brushless Motor
5pcs/set 5mm Aluminum Bullet Propeller Adapter Holder For RC Motor Prop
2pcs 5mm RC Aluminum Bullet Prop/Propeller Adapter Holder for Brushless Motor
4PCS 5mm RC Aluminum Bullet Prop/Propeller Adapter Holder for Brushless Motor
