There are ball links in this pack and are a great replacement for the 500 class helicopter
500 Class DFC Control Arm Ball Link (5 Pack)
500 Class DFC Main Rotor Head Assembly
500 Class DFC Main Blade Grips / Holder
500 Class Metal Tail Holder & Rotor Assembly (Torque Tube Version)
500 Class Drive Gear Set
500 Class Plastic Tail Blade (76mm from bolt hole)
