Description The Milwaukee SHOCKWAVE 1/4 in. Hex to 1/2 in. Square Socket Adapter allows impact sockets to be used with impact drivers. Made from proprietary, heat-treated steel, this adapter delivers exceptional durability and up to 50X longer life than standard adapters. Its heavy-duty construction ensures reliable fastening performance under frequent use, saving the expense of purchasing a separate drill driver. Engineered for maximum durability, this adapter is designed specifically for use with impact drivers and impact sockets.Product Details:Longer life with custom heat-treated steelOptimized Shockzone for added durability in impact driversEngineered for extreme durability with up to 50X lifeIncludes: (1) SHOCKWAVE 1/4" Hex to 1/2" Square Socket Adapters