Material: Aluminum Alloy
Total Length: 56mm
Distance from Hole Center to Hole Center：21mm, 29mm, 37mm, 45mm
Package quantity: 2pcs
The servo horn is made of aluminum alloy, CNC machining makes it precise in size and stable in performance.
M2.5 Thread spline, easy and convenient to install.
Compatible with 30-100CC Balsa airplanes RC plane helicopter car.
A great replacement part for your rc airplanes RC plane.