These are the Servo Horns for Non Traxxas Servos for the Traxxas Nitro Jato Stadium Truck. FEATURES: Nylon construction Black in color INCLUDES: One Servo Arm for Airtronics, KO, and Sanwa One Servo Arm for JR One Servo Arm for Hitec Three Servo Case Mounts REQUIRES: Assembly onto Vehicle JiM 5.23.05 ir/jxs BOX DIMENSIONS: 2.50" W. X .50" H. X 3.13" L. BOX WEIGHT: .03 LBS.