Milwaukee SHOCKWAVE™ Impact Duty™ 1" #2 Phillips Bit w/ Bit Holder, 25-Pack is engineered for exceptional durability and precise fit. Each bit in this 25-pack features a Wear Guard Tip™ and optimized Shockzones™ that protect the bit’s fit and prevent breaking during use. Crafted from custom Alloy76™ steel and heat treated according to tip type, these driver bits deliver up to 50 times longer life d to competitor brands. They are also laser etched with size markings for quick and easy identification. Designed specifically for use with impact drivers and drill drivers, this set ensures reliable performance on every job. Model Number: 48-32-5009