IBM Thinkpad: 570E, 600, 600A, 600D, 600E, 600X, A20, A20M, A20P, A21, A21E, A21M, A21P, A22, A22E, A22M, A22P, A30, A30P, A31, A31P,#11

IBM Thinkpad: 570E, 600, 600A, 600D, 600E, 600X, A20, A20M, A20P, A21, A21E, A21M, A21P, A22, A22E, A22M, A22P, A30, A30P, A31, A31P,

#11-2.5mm