3/8 To 1/4 Socket Adapter 1/4 To 3/8 Socket Joints Drive Adapter Durable | eBay
1pc Ratchet Wrench Socket Converter Head Sleeve Adapter 1/2" Big Fly To 3/8" Fly To 1/4" Steel to 1/4" To 1/2" To 3/8"|Wrench| - AliExpress
Amazon.com: HELAKLS 6-Piece Impact Adapter and Reducer Socket Set, 1/4 3/8 1/2 3/4 Inch Female To Male Air Square Drive and Wrench Conversion Kit, Cr-Mo Steel, Ball Detent, Hand Tools With Case :
TEKTON 3/4-in to 1/4-in; 3/8-in; 1/2-in Standard Socket Adapter in the Socket Adapters department at Lowes.com