The MILWAUKEE® SHOCKWAVE Impact Duty™ 80PC Driver Bit Set is engineered to be the Most Durable, Best Fitting 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 SHOCK ZONE™ is optimized for each tip type and length of driver bit in the set to absorb peak torque and prevent breaking. The driver bits have CUSTOM ALLOY76™ for a customized steel and heat treatment per tip type to extend the life of the user's driver bits, providing up to 50X life versus other impact driver bits on the market. The Milwaukee® SHOCKWAVE Impact Duty™ driver bits are built to provide users with extreme durability for the most demanding applications. The set is organized in a customizable accessory case designed for use in PACKOUT™. Features: Ultimate Fit; Most durable, SHOCKZONE™ shank absorbs peak torque; Long Lasting Tip, Wear Guard™; Customized Tip Geometry, Less Stripping; SHOCKZONE™ shanks are optimized per tip type to prevent breaking; Custom heat treat for longer bit life; Laser etched for easy size identification; Customible accessory case is designed to fit in PACKOUT™ Organizers; Designed for use with impact drivers and drill drivers