1/10 1/8 Scale Throttle Servo Horn 25 Teeth Quality upgrade throttle horn. Will fit Futaba servos and other 6mm diameter servo gears with 25 teeth. End to end length 46.78mm Servo hole to furthest screw hole 20.06mm To fit 25T cog servos, e.g. futaba and JR. Standard servo fixing. Not suitable for 1/5 steering servos or 1/16 models.