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The GPC torque Screw driver is available in three different socket diameters of 1.5mm, 2.5mm, 3.5mm. The 1.5mm is used for 2.4 & 2.8mm locking screws. The 2.5mm diameter is used for 3.5mm locking screws. The 3.5mm diameter is used for 4.5mm locking screws.
Torque Screw Driver
