Universal Power Adapter for Notebook and Netbook. TECHNOTES - TIPS INCLUDED ARE THE FOLLOWING: 2.35 x 0.7 x 12, P, netbook - 4.75 x 1.7 x 10, T, Acer/Asus/Clevo/Compaq/HP - 5.5 x 1.7 x 10.5, U, Acer - 5.5 x 2.1 x 12, B, Acer/Compaq/Gateway/Hitachi/IBM/NEC/Sharp/Toshiba - 5.5 x 2.5 x 12.5, M, Acer/Asus/Clevo/Compaq/Fijitsu/Gateway/Hitachi/HP/IBM/Panasonic/Samsung/Sharp/Toshiba - 6.3 x 3.0 x 10, D, Acer/Asus/Compaq/HP - 6.5 x 1.4x 10.5, E, Sony - 7.4 x 5 x 12, O, HP - 7.9 x 5.5 x 12, X, IBM/Lenovo