K&M 1/4" to 3/8" Thread Adapter 21770.000.29 B&H Photo Video
1/4" to 3/8" Thread Adapter
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
1/4" NPT Male x 3/8" NPT Female Swivel Straight 1404-04-06 Adapter | NPT Female Swivel to NPT Male - Straight | NPT to NPT | Hydraulic Adapters & Fittings | Hydraulics | www.surpluscenter.com
Sioux Chief® 1/4" Female x 3/8" Compression Brass Adapter Without Insert at Menards®
Proline Series 1/4-in x 3/8-in Compression Adapter Fitting in the Brass Fittings department at Lowes.com
Dinkum Systems Adapter Screw - 1/4" to 3/8" 3075 B&H Photo Video
3/8" Female SAE Swivel X 1/4" Male NTPF Adapter | Calóre Equipment
Amazon.com : Standard 3/8"-16 Female to 1/4"-20 Male Tripod Thread Reducer Screw Adapter (Brass) Precision Made (2 Pack) : Electronics
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
Female Pipe Reducer 3/8" to 1/4" Npt Adapter Coupler Brass Fitting Water Oil Gas | eBay