This is the Horn Set for the Hitec HS-5755MG and HS-5765MH Servos.

FEATURES: Heavy duty hardened plastic construction

INCLUDES: 1.8" (47mm) Single Arm 2.4" (61mm) Four Point Horn 1.6" (39.9mm) Round Horn Mounting Hardware

REQUIRES: Installing desired horn on servo  

BOX DIMENSIONS: 2.75" W. X .63" H. X 3.13" L. BOX WEIGHT: .06 LBS.