Alu radio dish mounts enable more solid radio dish mounting while reducing the possibility stripped threads. Newly-updated alu appears allow little throttle servo become installed in radio dish, and center gear become more properly tensioned. Kept alu stay allows tighter gear stress adjustment. Ultra-strong construction for long lifespan and durability in possibly the many extreme battle conditions. CNC-machined from premium Swiss 7075 T6 aluminum. Level of 2 pieces (left & right).