This high-quality Servo Saver Plastic Parts Set provides replacement parts for your kit supplied items.Features:Strong composite material for long-lasting durability in all conditions - Precision molded parts for consistent fit and smooth operation - Includes a selection of servo horn inserts to fit various servo spline sizes (15T and 17T)Includes:1 x Servo Saver Horn 1 x Servo Saver Ramp 1 x Servo Saver Locking Plug 1 x 15T Servo Saver Spline Insert 1 x 17T Servo Saver Spline Insert