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. Also available in red (#YA-0557RD) and black (#YA-0557BK). Feature: For: Futaba, KO and Sanwa Servo Material: Aluminum/Plastic Include: Servo Saver (1 pc) Screws (2 pcs) Locknuts (2 pcs) Sanwa, Ko Servo Saver Plate (1 pc) Futaba Servo Saver Plate (1 pc) Source Yeah Racing: http://www.yeahracing.com/catalog/ya0557bu-aluminum-plate-servo-saver-blue-p-4320.html