3 Piece Socket Adapter Set Increasing 3/8" 1/2" 3/4" Female 1/4" 3/8" 1/2" Male - Walmart.com
Crescent CDTA0 1/4" Female x 3/8" Male Socket Adapter - Amazon.com
Adapter, Male 3/8″-24 UNF – 1/4″ MNPT
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
Husky 3/8 in. Female to 1/4 in. Male Drive Adapter HADPTR3814 - The Home Depot
Brass adapter 1/4 compression x 3/8 MPT - APEX
3/8" Female SAE Swivel X 1/4" Male NTPF Adapter | Calóre Equipment
1/4" to 3/8" Thread Adapter
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