VFAUOSIT Brass Pipe Fitting, Water Hose Adapter, 3/8 inch Male x 1/2 inch Female water pipe adapter 3/8 to 1/2 pipe adapter Reducer Adapter 2 Pieces - - Amazon.com
Vulcan MT6491799 Socket Adapter 3/8 Inch Female By 1/2 Inch Male (045734910294-1)
Amazon.com : Standard 3/8"-16 Female to 1/4"-20 Male Tripod Thread Reducer Screw Adapter (Brass) Precision Made (2 Pack) : Electronics
15mm Quick Release Connector To 3/8 Inch Female Adapter Pressure Washer Coupling Fittings, Durable Brass Tools, Quick Release - Garden Water Connectors - AliExpress
CRAFTSMAN 3/8-in to 1/2-in Standard Socket Adapter in the Socket Adapters department at Lowes.com
3/8" NPT Female to 1/4" NPT Male Brass Pipe Adaptor/Adapter Straight Reducer/Reducing Coupling Male to Female: Pipe Fittings: Amazon.com: Industrial & Scientific
EEEkit 4-pack 3/8" to 1/4" 1/2 inch Socket Adapter Reducer Air Impact Set for Ratchet Handles, Extension Bars Accessories - Walmart.com