Crescent CDTA0 1/4" Female x 3/8" Male Socket Adapter - - Amazon.com
Adapter, Male 3/8″-24 UNF – 1/4″ MNPT
WindTech Female 3/8″-16 to Male 1/4″-20 Thread Adapter | Wilcox Sound and Communications
Sioux Chief® 1/4" Female x 3/8" Compression Brass Adapter Without Insert at Menards®
Double-Stud-1-4--and-3-8--Adapter - PhotoProShop
CRAFTSMAN 1/4-in to 3/8-in Socket Adapter in the Socket Adapters department at Lowes.com
Dinkum Systems Adapter Screw - 1/4" to 3/8" 3075 B&H Photo Video
Buy Lasco Female Compression X Male Compression Adapter 1/4 In. FC X 3/8 In. MC
Adapter 1/4" Female to 3/8" Female – Modern Studio Equipment.
Female Pipe Reducer 3/8" to 1/4" Npt Adapter Coupler Brass Fitting Water Oil Gas | 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