Table 2-2. Required Equipment • #0 Phillips screwdriver, preferably magnetized. • Small flat-blade screwdriver. • .5 mm hex driver. Table 2-3. Recommended Screw Torques NOTES Technology Code IC) Removal and Replacement 2-3 Screw Thread Size Torque (cm-kgf) Torque (in-lbf) M2.5 (2–11 mm long) 3.0 – 3.5 2.6 – 3.0 M3 3.0 – 3.5 2.6 – 3.0