●Use for T-REX450 XL/CF/SE/S/Pro●Tail pitch control link x 4 (Φ5.1xΦ11.58x4.2mm)●Collar A x 2 (Φ2xΦ3x4mm)●Collar B x 2 (Φ2xΦ3x2.5mm)●Tail rotor hub x 1