Variable pitch design. hex wrench 1. Product accessory details.
3Pair RC Toy Helicopter Upgrade C138 Rotor Set for RC ERA C138 Bell 2065376
1Pair RC Toy Helicopter Upgrade C138 Rotor Wing Set for RC ERA C138 Bell7933
RC ERA C138 Bell-206 RC Helicopter 1/33 3D 6CH Gyro Optical Flow RC RTF Aircraft
RC ERA C138 RC Helicopter Bell-206 6CH 6-axis Gyro Remote Control RTF Aircraft
RC ERA C138 PRO RC Helicopter 1/33 6CH 6-Axis Gyro 2.4G Remote Control Aircraft
RC ERA C138 PRO RC Helicopter 1/33 6CH 6-Axis Gyro 2.4G Optical Flow Positioning
