Screws for Main Frame (KL0124) Hex Head Screw,M3 x 20 - 4 pcs Lock Nut, M3 - 4 pcs Socket Button Head Screw M3 x 10 - 18 pcs Used in KLONE 50 Heli, compatible with Raptor 30/50 V2, Raptor 50 SE, Titan series