The spare part replaces the Xbox 360 reader rubbers. These rubber bands are responsible for opening and closing the console reader tray. 2 units are included. You must exchange the item if: -The reader does not open or close the tray. -The tires are old or broken. #Microsoft XBOX 360 (Arcade, Elite, Slim) The return policy allows you to return the products if you are not satisfied with your purchase up to 30 days from the date you receive the product. The products must be returned in the same condition in which you received them. Therefore, new products must be returned new, unused and complete. Second-hand products must not show additional damage or signs of use. You can contact us if you need. In the contact information tab you will find all the necessary information. Monday to Friday: 1.