Milwaukee SHOCKWAVE™ Impact Duty 1"TORX® T15 Insert Bits (5 PK) are engineered to be the most durable and fitting driver bits on the market. Featuring the Wear Guard Tip™, these bits increased wear resistance that protects the fit throughout the life of the bit. The Shockzone™ is optimized for each tip type and length to absorb peak torque and prevent breaking, ensuring superior performance. Crafted with Custom Alloy76™, a customized steel and heat treatment tailored for each tip type, these bits provide up to 50 times the life d to competitive impact driver bits. Built to deliver extreme durability, Milwaukee SHOCKWAVE™ Driver Bits are for the most demanding applications. Model Number: 48-32-4628