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
3/8 To 1/4 1/2 Inch Drive Ratchet Converter Socket Adapter Reducer Air Impact | eBay
Amazon.com : Camera Screw Adapter Thread 1/4" Male to 3/8" Female and 3/8" Male to 1/4" Female Adapter Set for Camera Monitor, Tripod, Mount : Electronics
Threading Adapter, NPT 3/8 Male to G 1/4 Female, Stainless Steel
SÁRGARÉZ SZŰKÍTŐ 3/4"-3/8" BK | ÉPÜLETGÉPÉSZET - Szaküzlet, webáruház
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
1/2" Drive x 3/4" Drive Impact Socket Adapter - AP1624 | Mac Tools
Crescent CDTA0 1/4" Female x 3/8" Male Socket Adapter - - Amazon.com
4pcs 1/4 "3/8" 1/2 Inch Drive Socket Adapter Reducer Joint Drive Air Impact Heavy Duty Ratchet Adapter Set Set Universal Sleeve - Hand Tool Sets - AliExpress
CRAFTSMAN 1/4-in to 3/8-in Socket Adapter in the Socket Adapters department at Lowes.com