Futaba aluminum servo horns all come with pre-drilled starter holes. A variety of colors allows modelers to customize their model. Available in six different sizes for large-scale airplanes, and two standard sizes for R/C cars.
Mounting to the servo with a servo horn screw
Used these on my edge 540 in the wings standard Guyana were to short I could of used an 1.25 in length but these work perfect.