Remove Stubborn Fasteners with More Torque (Square ShaftsCan Be Turned with an Adjustable Wrench).Sand-blasted and Precision Machined Tip for an Exact Fit andReduced Cam OutColor Coded Fluting Defines Driver Type #2 and 1/4 Inch Driver Set (2 Piece). Fluted Handle Design Provides Multiple Gripping Points to Apply Torque from Various Angles.