●New tail rotor holder x 2 ●New stainless steel tail rotor hub x 1(Φ10x39mm) ●Bearing MR105ZZ x 2(Φ5xΦ10x4mm) ●Thrust Bearing F5-10M x 2 ●Washer x 2(Φ3xΦ8x0.6mm) ●M4 set screw x 1(M4x4mm) ●Socket screw x 2(M3x8mm) ●Sokcet collar screw x 2(M3x20mm) ●M3 nut x 2