Features and Benefits:�Wear Guard Tip™ protects fit over the life of the bit�Optimized Shockzone™ absorbs peak torque and prevents breaking�Custom Alloy76™ Steel engineered for extended life�Up to 50X Life vs other impact bits�Laser etched size for easy identificationMilwaukee® SHOCKWAVE™ Impact Duty™ driver bits are engineered for extreme durability and up to 10x life. Made from proprietary steel and heat treated to control hardness, the SHOCKWAVE™ Impact Duty™ driver bits feature an innovatively designed geometric shock absorption zone to extend life. The forged tip allows for a secure grip and maximum contact eliminating stripping or slipping.