FLEX Impacks 20-Pc. 1" T30 Impact Driver Bits deliver precision, durability, and control to power through job after job. These impact driver bits are engineered for optimal impact distribution, ensuring no energy or effort is wasted. Designed for demanding applications, they absorb torsion and torque at peak power, with a specially constructed material composition that optimizes hardness and strength for unrivaled bit life. The bits come in an IMPACKS bulk bit case featuring compression fit sides for customizable organization and easy accessibility, compatible with any case in the STACK PACK™ lineup. Model Number: FA101007-20