3/8" Male NPT x 1/2" Male NPT Brass Pipe Hex Nipple Adapter
3/8" to 1/2" Adaptor Sliding Head | BAHCO | Bahco International
Everbilt 3/8 in. Flare x 1/2 in. MIP Brass Adapter Fitting 801269 - The Home Depot
Husky 1/2 in. Female to 3/8 in. Male Drive Adapter HADPTR1238 - The Home Depot
BrassCraft 3/8-in x 1/2-in Threaded Adapter Fitting at Lowes.com
Threading Adapter, NPT 3/8 Male to NPT 1/2 Male
4pcs 1/4 3/8 1/2 Drive Socket Adapter Converter Reducer Air Impact Socket Wrench Adapter Hand Tools Set Drive Socket Adapter - Wrench - AliExpress
Aluminum Adapter, 1/2" Male NPT to 3/8" Female NPT | Air & Hydraulic Equipment,Inc.
Brass Pipe Fittings, Water Hose Adapter, G 1/2 Female to G 3/8 Male Reducer Adapter, Compression Fitting for Kitchen Bathroom Faucet, Pipe Connector with Rubber Washer,(2 Pack) - Amazon.com
Adapter Male 1/2" Female 3/8" (LP)
3 Piece Socket Adapter Set Increasing 3/8" 1/2" 3/4" Female 1/4" 3/8" 1/2" Male - Walmart.com
3/8" Male NPT x 1/2" Female NPT Brass Adapter
Daytona D1238A 1/2" F - 3/8" M Drive Impact Adapter