• Screwdriver bits designed for extreme durability with impact drivers. • Wear Guard Tip technology that provides a precise fit and protects the fit over the life of the bit. • Optimized Shock Zone that absorbs torque stress to reduce breakage. • Made from Custom Alloy76 steel specifically engineered to withstand impacts. • Torx TX30 tip type with a standard length of 25 mm. • Package includes 2 units of heavy-duty bits.