This is the Antenna Tube for the Heli-Max Axe CP Helicopter.FEATURES: Snaps onto skid supports Constructed of plasticINCLUDES: Antenna Tube, part #5 for the Heli-Max Axe CP HeliREQUIRES: Inserting receiver antenna and fastening to skid supportsSPECS: Diameter: 2.8 (72mm) Length: 6.3" (160mm) "