●Product Size : Length : Approx : 11.8"; Outer diameter : Approx 3mm/0.12" ; Inner Diamter : 2mm/ 0.08". ●Fits For : The Plastic Antenna Pipe fits for Remote Control Car FPV Drone Quadcopter Boats Airplane,etc.Protects antenna wire from damage! ●Protection Function : The receiver antenna is soft and fragile ,with the protection tube,you dont need to worry the propeller may cut down the antenna. ●Insulation Effect : The insulation effect will keep the antennas out of harm away while not breaking in a crash. ●Package includes 10pcs Plastic Antenna Pipe Tube Protectors Receiver Aerial for RC Model Car.