Description: Compatible Devil 380 FAST. Only compatible with the Devil 380 Fast that shipped after 2016-05-01. Devil 380 Fast shipped before 2016-05-01 need to replace the new Tail Rotor Hub Upgrade Set(D380F46S). Packaging: Tail Rotor Hub x 1 Washer(Φ4.5xΦ5.9x0.5mm) x 2 Socket Head Screw(M2x6mm) x 2 Washer(Φ2xΦ4.5x0.5mm) x 2 Set Screw(M3x3mm) x 1