5pcs/lot 2mm 3mm 3.17mm 4mm 5MM 6MM 8MM 10MM RC Aluminum Bullet Propeller Adapter Holder for Brushless Motor Prop Dropship Color:3.0 MM 4S 1800mah 50C: 106x34x27mm 188±

4S 1800mah 50C:   106x34x27mm         188± 2g            14

to make this channel RC helicopter available for night flying

made of high temperature materials made of welding more convenient

Packing size: 14

Voltage Buzzer Alarm

5pcs/lot 2mm 3mm 3.17mm 4mm 5MM 6MM 8MM 10MM RC Aluminum Bullet Propeller Adapter Holder for Brushless Motor Prop Dropship Color:3.0 MM 4S 1800mah 50C: 106x34x27mm 188±High quality aluminum material. Motor axle hole diameter: 3. 17mm. Suitable for brushless motors and speed controllers. Delicate workmanship. Specifications: Color: Silver Material: Aluminum Motor Axle hole diameter: 2mm 3mm 3. 17mm 4mm 5mm 8mm package including: 5 x Propeller Adapter 100% Brand new