GTMax Red Replacement TrackBall for Blackberry Curve 8350i 8330 8320 8310 8300, 8800, 8820, 8830, Pearl 8100, 8110, 8120, 8130 Brand new generic trackball 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: trackball and retaining ring