Milwaukee SHOCKWAVE™ 3.5" PH1 Impact Bit is engineered to be the most durable and fitting driver bit on the market. Featuring the Wear Guard Tip™, it increased wear resistance to protect the fit throughout the life of the bit. The Shockzone™ is optimized for each tip type and driver bit length to absorb peak torque and prevent breaking. Crafted with Custom Alloy76™, a customized steel and heat treatment for each tip type, this bit provides up to 50 times the life d to competitive impact driver bits. Built to deliver extreme durability, the Shockwave™ driver bits are designed for the most demanding applications, ensuring long-lasting performance and reliability. Model Number: 48-32-4560