Traxxas complete accessory package of replacement steering and throttle servo horns for the Revo Truck. Black and grey plastic. INCLUDED: Four throttle servo horns (Airtronics/Sanwa, Hitec, KO Propo/Fut, JR) Eight steering servo horns for the above mentioned radio brands NOTES: This package is used when installing servo brands other than Traxxas or Futaba. If using original servos or Futaba brand, use the stock servo horns.