Linkage rod H60161T for RC helicopter Align T-Rex 600. Included:linkage rod A (1.96x14mm) - 2 psc,linkage rod B (1.96x19mm) - 2 psc,linkage rod C (1.96x48mm) - 2 psc,linkage rod D (1.96x39.5mm) - 3 psc.