Instruction:
-Use for T-REX 550L/550X.

Specification:
-550EFL Main Rotor Housing x 1
-600 Feathering shaft sleeve(Ø8xØ10x31mm) x 2
-600 DFC Head Damper(Ø8xØ12.9x6.5mm) x 2
-Spacer(Ø8xΦ11x1.3mm) x 2
-Socket Collar Screw(M3x19mm) x 2
-M3 Nut x 2