This is the servo horn set for the ElectriFly ES100 servo.
Features: Replaces broken or worn servo horns
Requires: Installing on servo
Double Arm Horn Length: 1.3 (34mm)
Round Horn Diameter: 0.83 (21mm)
Four Point Horn Length: 1.5 (39mm)
Note: These are compatible with the standard output shaft found on Futaba servos.