This is the #25 Aluminum Steering Servo Horn from Hot Bodies.                                                                                           FEATURES: Fits Futaba servos                                                              Constructed of aluminum, gun metal gray in color                                Eliminates any flex associated with nylon servo horns                           Single arm configuration                                                        Compatible with a wide variety of 1/8 and 1/10 scale nitro vehicles                                                                                   INCLUDES: Hot Bodies #25 Aluminum Steering Servo Horn for Futaba servos                                                                                         REQUIRES: Fastening to servo output shaft and connecting throttle linkage                                                                                       SPECS:    Length: 0.79" (20mm) from center of holes