H60232QR 600EFL PRO Metal Main Rotor Holder Arm-RedSuitable for T REX 550 600 Must with 550FL Flybarless Rotor Head System(H55H002XXW) or 600FL Flybarless Rotor Head System(H60H003XXW) 6061 T6 Aluminum alloy material and CNC processed. Metal Main rotor holder arm x 2 5 Linkage ball B(M3x4) x 2 Socket collar screw x 4(M3x6mm) (Stock Part on 550X)

Use for T-REX 450

Must with: 500PRO Metal Washout Base(H50015A)

Root Size: 10mm

Extra Safety: It has multiple protection functions

●Use for T-REX 470L

(M3x12mm)Washer x 2

Feature in quiet and aerodynamically efficient

●Receiver mount x 1(24x61x138

●Long umbrella gear (M1/24T) x 1

BLS2808-12

●Metal plate(R) x 1

Use for T-REX 450X/XL/SE