●Specifically designed for 450 class helicopters, this swashplate leveler allows for precise swashplate level adjustment, improving helicopter hover stability and flight performance. ●Tailored specifically for Align swashplate designs, utilizing CNC alloy metal for pleasing aesthetic and functionality. ●Use for T-REX 450 all calss machine. Accessory: ●Swashplate unit corrector × 1 ●M3 Set screw × 1(3x3mm)