Milwaukee #3 Phillips SHOCKWAVE™ Impact 3-1/2" Power Bits, 5PK are engineered to be the most durable and fitting driver bits available on the market. These Phillips bits feature the Wear Guard Tip™ technology, which increases wear resistance and protects the fit throughout the life of the bit. Designed with an optimized Shockzone™ for each tip type and bit length, they effectively absorb peak torque to prevent breaking during use. Crafted from Custom Alloy76™ that is customized and heat-treated for each tip type, these bits up to 50 times longer life d to competitive impact driver bits. Built to withstand the most demanding applications, the MILWAUKEE® SHOCKWAVE™ Impact Duty™ driver bits deliver extreme durability and reliable performance. Model Number: 48-32-4566