Servo saver to protect your servos! Comes with an aluminum plate to minimise the slop associated with servo savers to a minimum! Three rows of holes means they can be used in a large variety of cars. PRECISE AND SUPER STRONG SPRINGS NEED TO BE BENT BACK TO FIT ONTO SERVO SAVER. 3 SPRINGS IN ALL. 3 COLOURS TO CHOOSE FROM, RED, BLACK, BLUE.