Type: Generic / Aftermarket. Replace your scratched, lost, defective or broken trackball.Restore your cell phones functionality with the new trackball.Simply pry out the chrome ring with a thin flat bladed screwdriver tip, replace the old track ball with this new one firmly.Package includes:Replacement Trackball,Silver Retaining Ring.Color: Black.Note: Our company is not responsible for any damage caused by installation of this accessory.Compatible With BlackBerry: 8800 Series 8800 / 8820 / 8830 Blackberry replacement trackball Trackball and Trackball ring included.