This is the replacement Servo Saver Lower Right for the Tower Hobbies Tower Terror FEATURES: Nylon construction, black in color Replaces a worn or damaged lower right servo saver arm INCLUDES: One Lower Right Servo Saver Arm - key number 58 REQUIRES: Installation SPECS: Length: 1.53" (39mm) Width: .55" (14mm) Height: .87" (22mm) COMMENTS: For the upper right servo saver arm order TOWC8463 kpm01/23/2007 ir/jxs