Milwaukee SHOCKWAVE™ 2" 1/4" Hex to 3/8" Square Impact Socket Adapter allows impact sockets to be used with impact drivers, making it a versatile addition to your toolkit. Crafted from proprietary steel and heat-treated, this adapter enhanced durability to withstand tough jobs. Its robust design ensures reliable performance and long-lasting use, for both professional and DIY applications. Model Number: 48-32-5031