●450DFC Main Rotor Head Assembly x 1 ●450DFC Main Blade Grip x 2 ●84ZZ Bearing x 4 ●450DFC Damper rubber x 2 (POM Φ4xΦ6.5x3.8mm) ●Spacer × 2 ●Socket collar screw(M2x12mm) x 1 ●M2 Nut × 1 ●M2 collar screw(M2x15mm) x 2 ●450DFC Main rotor grip arm integrated control link x 2 ●450DFC Main rotor grip linkage bearing sleeve x 2 ●681ZZ-d2 Bearing(Φ2x4.5x2mm) x 4 ●450DFC Linkage rod A x 2 ●Ball link × 2 ●450DFC Main Shaft x 1 ●Socket collar screw × 2(M3x16mm) ●M3 Nut × 2(M3) ●Washer × 2(Φ2xΦ3.6x0.2mm)