500 Metal plate(L) x 1 500 Metal plate(R) x 1 500 Metal Tail Belt Unit x 1(16x18x40.8mm) 500 Control arm mounting bolt x 1(14.6x5x10mm) Aluminum bolt x 1(4x17.3mm) 500 Drive pulley(19T) x 1 500 Pulley cover x 2 500 Tail rotor shaft x 1(4x56.8mm) Bearing 684ZZ x 2(4x9x4mm) Socket screw x 1(M2.5x10mm) Socket button head screw x 7(M2.5x5mm) Socket button head screw x 2(M2.5x6mm) Use for T-REX 500