Milwaukee SHOCKWAVE 3/8" Square x 1/4" Adapter 48-03-4405
Husky 1/2 in. Female to 3/8 in. Male Drive Adapter HADPTR1238 - The Home Depot
Husky 1/2 in. Drive Impact Adapter 1/2 in. Female x 3/8 in. Male HIMPADP2DF3DM - The Home Depot
3/8 to 1/2 Adapter Hiqufet Compression Brass Adapter 1/2 Female to 3/8 Male Reducer Faucet Supply Line Plumbing Water Hose Adapter, 2 Pieces - Amazon.com
3/8" Male NPTF X 1/2" Male NPTF Reducing Adapter | MB Sturgis
3/8 to 1/2 Inch Drive Black Impact Socket Adapter Reducer Tool Set Adapter - Walmart.com
Threading Adapter, NPT 3/8 Male to NPT 1/2 Male
3/8" F x 1/2" M Williams 3/8 Dr Impact Adapter - 2-4A