... .42ATip diameter is 2.5mm inside /5.5mm outsideCompatible With Part #:177626-001, 180676-001, 198713-001, 222113-001, 25.10064 ... , 1690WLMi, 1691, 1691WL, 1691WLCi, 1691WLMi, 1692, 1692LMi, 1692WLCi, 1692WLMiACER ASPIRE 2000 SERIES:2000, 2000LCi, 2000LMi, 2000WLCi, 2000WLMi,2001, 2001LC, 2001Lce, 2001LCi, 2001LMi, 2001WLCi ...