Align AGNH60221 H60221 Carbon Tail Control Rod Assembly: T-Rex 600 Align 600 carbon tail control rod assembly for T-REX 600E PRO / 600EFL PRO.This package includes:Tail Control Guide (21.5x26x46.85mm)Carbon Tail Control Rod (2.1x5x626mm)Socket button head self tapping screw(T4x10mm)Two Ball Links