Traxxas Servo Case For 2018 Servo Servo Case Set for the Traxxas #2018 Servo. This set serves as the outer cover for the servo. FEATURES: Replaces top, center and bottom sections of damaged servo cases. Constructed of black plastic. INCLUDES: One Servo Case Set for the Traxxas #2018 Servo with top, center and bottom sections. Screws not included.