This Rage RC factory replacement main rotor head assembly is designed for the Hero-Copter Military helicopter. The set includes two rotor head hubs, two rotor disc mounts, two screws, and metal washers, providing everything needed to rebuild or replace a damaged rotor head. Keeping a set on hand helps minimize downtime after a hard crash. Features: Includes two rotor head hubs and two disc mounts Metal washers included Direct factory replacement for Hero-Copter Military 7/7/26 cs