Vgoohobby 4PCS Aluminum RC Airplane Steering Servo Arm Horn Rocker Arms for RC Quadcopter Fixed Wing Parts (4mm)

Compatible with RC Quadcopter Fixed Wing Parts. It can be used on the output shaft of the rudder or the shaft of the DC motor to play a transmission role, side fixing holes with screws. Made of high quality aluminum alloy material,durable in use. Hard aluminum construction for precision and durability. Easy and convenient to install and remove. Replacement the old or damaged parts, ensures long lifetime and better work performance Item Name:RC Airplane Servo Arm Material: Aluminum Alloy Bore Size: 3mm (Fit for 3mm shaft)/4mm (Fit for 4mm shaft)/ 5mm (Fit for 5mm shaft) Distance from hole center to hole center:16mm/21mm Color: Gold Weight: 2.3g/Piece Quantity: 4Pcs Package List: 4 x RC Airplane Servo Arm