These are the Tail Rotor Blades for the Heli-Max Axe CP Helicopter, HMXE04**. **Will not work on the Heli-Max AXECPv3.** FEATURES: Constructed of one-piece molded plastic, Black in color INCLUDES: Tail Rotor Blades, part #27 for the Heli-Max Axe CP Heli REQUIRES: Installing onto Tail Rotor Gear and Tail Motor SPECS: Length: 5.8" (148mm) Width: .9" (23mm) at widest point Thickness: .04" (1mm) COMMENTS: When replacing Tail Blades, the following parts may also be needed- Tail Rotor Gear HMXE9558 Tail Motor Mount HMXE9555 Tail Motor Screws HMXE9556 Bearings HMXE7301 Tail Shaft HMXE9560