05042673001 | Wera Socket Adapter, 3/8 - 1/2 | Distrelec International
3400: 3/8″ Male NPT to 1/2″ Male Flare Adapter | Fittings, Inc.
PROTO, 1/4 in_3/8 in_1/2 in Output Drive Size, Square, Socket Adapter Set - 19C375|JHA4S - Grainger
3/8" F x 1/2" M Drive Locking Impact Socket Adapter - AP1216 | Mac Tools
CRAFTSMAN 3/8-in to 1/2-in Standard Socket Adapter in the Socket Adapters department at Lowes.com
Threading Adapter, NPT 3/8 Male to G 1/4 Female
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
3 Piece Socket Adapter Set Increasing 3/8" 1/2" 3/4" Female 1/4" 3/8" 1/2" Male - Walmart.com
ANDERSON METALS - Industrial Pipe Adapter: 3/8-18 Female Thread, 1/4-18 Male Thread, MNPT x FNPT - 55540470 - MSC Industrial Supply
Keeney 1/2-in x 3/8-in Compression x Fip Adapter Fitting at Lowes.com
Sunex 3300 3/8-Inch Female by 1/2-Inch Male Socket Adapter with Friction Ball Drive - - Amazon.com