MPACT RATED: These are designed to take the punishment that high torque impact drivers dish out on a daily basisFORGED TIPS are built to maximize their grip with your fastenerPROPRIETARY STEEL ALLOY keeps these bits in shape up to 30 times longer than competing high-impact bitsFLEXION: The section between the bit head and the hex shank can flex, reducing the stress of high torque operations, improving its longevity2 INCH LENGTH: This will help you get into certain harder-to-reach areas compared to single inch bitsMilwaukee 48-32-4602 Phillips Power Bits 5 Pack