1.00mm (.039") by 1.00mm (.039") Pitch rPGA 989 Notebook PC CPU Socket, with Mylar, Hard Tray Packaging, 989 Circuits, Lead free 1.00mm (.039) by 1.00mm (.039) Pitch rPGA 989 Notebook PC CPU Socket, with Mylar, Hard Tray Packaging, 989 Circuits, Lead free