This is a large servo saver that can be used in Traxxas cars or any car that requires a large style servo saver. FEATURES: Tough white plastic construction. INCLUDES: 1 large servo saver and 3 adaptors that allow you to mount the saver on most popular servos including: Futaba, Hobbico, Tower, Airtronics, and Traxxas. Also included is a mounting screw. SPECIFICATIONS: Length: 1-3/8" Diameter: 1" The servo saver has 6 holes for mounting the steering linkages.