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Hangar 9 “Spline-Loc” 1″ Aluminum 1/2 Servo Horn: JR, Airtronics, KO

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Hangar 9 servo arm

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This is a optional Hangar 9 “Spline-Loc” 1″ Aluminum 1/2 Servo Horn and is intended for use with JR, Airtronics, and KO Propo servo’s. Hangar 9 heavy duty servo horns feature a ‘Spline-Loc’ connection that insures accurate, attachment to the spline and slop free surface movement.


  • Spline-Loc insures a no-worry connection to the servo – locks in place two ways, at the spline and with the servo attachment screw
  • Black powder coated finish – Maintains a quality look and finish.


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