· 450DFC Main Rotor Housing Set/ Sliver x 1 · 450DFC Main Shaft x 1 (108MM) · 450 DFC Head Damper x 2(Φ4xΦ7.0x4.0mm) · 450 DFC Main Shaft Screw x 1(M2.5 x10.5mm) · M2.5 Nylon Lock Nut x 1 · Metal Main Rotor Holder with big-size bearing × 2 · Bearing × 2(Φ4.0xΦ8x3.0mm) · Thrust Bearing × 2(Φ4.0xΦ9x4.0mm) · Washer × 2(Φ4xΦ5.9x0.5mm) · Bearing × 2(Φ4.0xΦ9x4.0mm) · Washer × 2(Φ2.5xΦ4.5x0.3mm) · 12.9 Degree M2.5*15MM Cup Head Hexagon Collar Screw× 2 · Cup Head Hexagon Collar Screw ×2(M3×15MM) · M3 Nylon Lock Nut ×2 · 450 DFC New Feather Shaft TL48009 (Φ4.0x54.0mm) × 1 · 450DFC Main Rotor Holder Extension Arm× 2 · Flange Bearing x 2(Φ2xΦ5x2.5mm) · Plain Bearing x 2(Φ2xΦ5x2.5mm) · M2.0 Cup Head Hexagon Screw x 2(M2.0x9mm) · M2.0 Cup Head Hexagon Screw x2 (M2.0x5mm) · 450 Metal DFC Tilt Rod x 2 · M2.5 Set Screw x 2 (M2.5x10mm) · 500 DFC Main Rotor Ball Link TL50186 x 2 · M2.0 Cup Head Hexagon Collar Screw x 2 (M2.0x15mm)