This is the replacement Servo Horn Set for the / Duratrax Warhead - DTXD68**. / / FEATURES: Composite nylon construction, black in color / Replaces worn or damaged servo horns / / INCLUDES: One throttle servo horn - key number 63 / One shifting servo horn - key number 64 / One steering servo horn - key number 65 / / REQUIRES: Installation following the model manual / / Throttle Arm Shifting Arm Steering Arm / SPECS: Length: 1.23 (31mm) & .86" (22mm) 1.14" (29mm) 1.16 (29.5mm)