This is Golden Horizons Aluminum Servo Saver and Bellcrank Arm for the Associated RC18 series. FEATURES: Aluminum construction, blue in color INCLUDES: One aluminum servo saver arm Two aluminum steering bell crank arm (the model only needs one, it is unclear why two are included) Two 2.5x8mm phillips head screws REQUIRES: The stock servo saver spring, horn and bushing. kpm01/16/2006 ir/jxs