Ketofa 10 Pack Genuine Replacement Square Drive Belts for XBOX 360 Optical DVD Drive Repair Stuck Tray (SBS Square Type, Bulk Lot of 10 belts) As required, these are SBS Square type belts for all XBOX 360 drives Our belts are made of high quality rubber Their quality exceeds cheap generic belts Used to fix the Stuck Tray, Open Tray and Sticky Tray issues due to a stretched or worn out factory belt This belt upgrades the previous belt and will not stretch again, while reducing motor stain