Product DescriptionImpact Duty 60PC Drill, Drive & Fasten PACKOUT Set is engineered to be the Most Durable, Best Fitting Driver Bit Driver Bits on the market. The WEAR GUARD TIP delivers increased wear resistance , which protects the impact bit's fit over the life of the bit. The is optimized for each tip type and length of Driver Bit in the set to absorb peak torque and prevent breaking. The Driver Bit Driver Bits are made from CUSTOM ALLOY76 steel and a proprietary heat treatment process to extend bit life, providing up to 50X life versus other impact Driver Bit Driver Bits on the market. The Impact Duty Driver Bit Driver Bits are built to provide users with extreme durability for the most demanding applications. Our Impact Duty Magnetic Nut Driver Driver Bits are engineered with the Most Durable Magnet to withstand heavy-duty applications throughout the life of the nut Driver Bit.