Replacement Trackball for BlackBerry 8100 Pearl, 8120, 8130 Pearl 2, 8300, 8310, 8320, 8330 Curve, 8800, 8820, 8830, 8800, (Purple) Replace a lost trackball or one that has stopped moving in one or all directions RIM: BlackBerry 8100 Pearl, BlackBerry 8120 / 8130 Pearl 2, BlackBerry 8300 / 8310 / 8320 / 8330 Curve, BlackBerry 8800