This is the Align Main Rotor Holder Set. This Main Rotor Holder Set is black colored and compatible with the Align T-Rex 450DFC.
6061 - T6 Aluminum alloy material and CNC processed
450DFC Main Blade Grip x 2
MR84ZZ Bearing x 4
Socket Button Head Collar Screw (M3x16mm) x 2
Locking nut (M3) x 2