DEWALT 1/4-in to 1/2-in Socket Adapter in the Socket Adapters department at Lowes.com
Brass Pipe Fitting 1/4 Inch Female Pipe 1/2 Inch Male Reducer Adapter Air Hose Adapter Metal Pipe Adapter 2 Pack - - Amazon.com
Reducer adapter 1/4 "SAE M x 1/2" -20UNF F - Shop
Milwaukee SHOCKWAVE Impact Duty 1/4 in. Hex Shank Socket Adapter Set (3-Piece) 48-32-5033 - The Home Depot
Charlotte Pipe 3/4 in. x 1/2 in. PVC Schedule 40 MPT x S Reducer Male Adapter PVC 02110 0600HD - The Home Depot
CR V Steel Socket Ratchet Converter Adapter Reducer 1/2" to 1/4" 1/2" to 1/4" Car Bicycle Garage Repair Tools Small Socket Tools|Sockets| - AliExpress
4pcs/lot 1/4 3/8 1/2 Drive Socket Adapter Converter Reducer Air Impact Socket Wrench Adapter Hand Tools Set - Wrench - AliExpress
FORCE 80942 Verloop adapter 1/2" naar 1/4"
M14 Female To 1/2 Inch 1/4 Inch M10*1 Male Pressure Gauge Fittings,m20 Female To 1/2 Inch 1/4 Inch Male Pressure Gauge Adapter - Pipe Fittings - AliExpress