Aluminum clamp type 23 mm servo horn (For 25T Spline and Futaba) (ZC-204523) It is a general-purpose aluminum clamp type servo horn that you can use in various categories. Two kinds of lineup corresponding to Sanwa 23T spline of servo made by KO and 25T spline of Futaba, by clamp type, there is no looseness of installation, and it transmits to the steering without losing the performance of the servo. It is possible to install a ball end at 23 mm position and 19 mm position from the servo output shaft. It is made of robust aluminum that is strong against crashes, and has a beveled edge design.